How to Round Numbers to Significant Figures #20

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  • Опубліковано 21 січ 2025

КОМЕНТАРІ • 367

  • @Cognitoedu
    @Cognitoedu  3 роки тому +37

    If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are:
    - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown.
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    - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts.
    - A comprehensive bank of past exam papers, organised both by year, and also by topic.
    Amadeus & Tom

  • @shainacalma1227
    @shainacalma1227 4 роки тому +301

    Thank you! I’ve got a math exam tomorrow which this is one of the topics I have to revise. I was confused at first but this video helped thanks

    • @yohannag7128
      @yohannag7128 3 роки тому +6

      how did it go?

    • @shainacalma1227
      @shainacalma1227 3 роки тому +5

      @Lg Phone good luck :)

    • @Musfirah_
      @Musfirah_ 3 роки тому +6

      I have math exam on Sunday 😭😭😭 btw in my country the first day of the week is Sunday and the last is thursday

    • @shainacalma1227
      @shainacalma1227 3 роки тому +2

      @@Musfirah_ good luck! Hope it goes well for u

    • @Musfirah_
      @Musfirah_ 3 роки тому +2

      @@shainacalma1227 thx

  • @cachorigamerz7580
    @cachorigamerz7580 6 місяців тому +52

    Bruh you cleared a confusion my teachers couldn't clear for 1 year in literally 1 min you are a legend 😭😭

  • @NormalStuff222
    @NormalStuff222 3 роки тому +86

    I had my exam today and it helped me, i got a 100% because I watched the video before going to school :D Thanks!

    • @Cognitoedu
      @Cognitoedu  3 роки тому +21

      That’s great to hear, well done!

    • @제니제니-y7p
      @제니제니-y7p Рік тому +6

      @@Cognitoedu i love your animation style, it makes the topic seem so simple and easy to learn :)
      thank you!!

    • @aaryavirananand1797
      @aaryavirananand1797 7 місяців тому +2

      nice job

  • @latsypoo
    @latsypoo 2 роки тому +17

    My math exam is today, and this is in the syllabus but was barely covered in class. This has greatly broadened my understanding on this topic, thank you!!

  • @yixyaxo
    @yixyaxo Рік тому +7

    Thank you so so much ! Your animating style makes it seem soso simple💗💗

  • @nancieashleywangui2554
    @nancieashleywangui2554 Рік тому +4

    Thank you for the clear content and the fascinating platform, it really makes my studying a lot easier🙏🙏🙏

  • @zahra_hakim
    @zahra_hakim 18 днів тому

    MY ENTIRE LIFE NO MATH TEACHER EVER TAUGH US HOW TO DO THIS and now i learned it a night before my math exam thank you for the clear teaching:)

  • @GailMaphane
    @GailMaphane Місяць тому

    Real lifesaver I have been struggling because my math teacher rushes over topics and its hard to understand so I’m gonna recommend you to all my classmates thank you so much

  • @Sleep2Games02
    @Sleep2Games02 11 місяців тому +1

    I didnt go to school when I was younger because I was young and stupid and wanted to be cool now being just a little bit older, I am struggling now that I have gone back to school. This video is really helpful thank you.

  • @Sp4rky-o1q
    @Sp4rky-o1q 8 місяців тому +23

    Watching this 2 hours before my exam😂

    • @Niilaryea-i3i
      @Niilaryea-i3i 7 місяців тому +3

      Did u pass

    • @Sp4rky-o1q
      @Sp4rky-o1q 6 місяців тому

      @@Niilaryea-i3i I’m still waiting for results

    • @Sp4rky-o1q
      @Sp4rky-o1q 6 місяців тому

      @@Niilaryea-i3i waiting for results it comes out aug16

    • @3b08md.nubayedtawhidayyad2
      @3b08md.nubayedtawhidayyad2 Місяць тому +2

      So funny we want to know all about u👌

  • @mooshque3543
    @mooshque3543 2 роки тому +5

    I have a test tomorrow and I was so confused but this videos explained it perfectly thank you!

  • @autumn6533
    @autumn6533 4 роки тому +32

    you teach better than my maths teacher lol thx :)

    • @rabiaayaz3669
      @rabiaayaz3669 3 роки тому +2

      If you will listen to your teacher carefully then you will understand what is trying to say. I agree this video is a good source of revision for us before exams or tests, but please don't blame teacher for not teaching you well

    • @senakasenanayake7900
      @senakasenanayake7900 3 роки тому +1

      @@rabiaayaz3669 silent okay

    • @karamwael9518
      @karamwael9518 3 роки тому

      Imagine being gay

    • @ArxlxnRbx
      @ArxlxnRbx 3 роки тому

      @@karamwael9518 ?

    • @yeetusfeetus7877
      @yeetusfeetus7877 3 роки тому

      @@ArxlxnRbx the person who made the original comment has what I believe to be the lesbian flag. Lesbians are gay.

  • @kinfailed
    @kinfailed 3 роки тому +5

    Tysmmm u explain way better than my noisy class

  • @swisdom9117
    @swisdom9117 3 роки тому +5

    Thanks. I have a test in an hour and this will be very heppful

  • @User-ki1ws
    @User-ki1ws 3 роки тому +6

    Congrats on 100k subs.

  • @polishpapi93
    @polishpapi93 3 роки тому +14

    wow! learned more in 5 minutes than i would in like 2 maths lessons! thank you.

  • @shevynnkarunaratne6978
    @shevynnkarunaratne6978 3 роки тому +11

    Your videos are great for a brief but influential and informative maths video , which is really nice to end our revisions on.

  • @LeginNi
    @LeginNi 7 місяців тому +1

    This helped me a lot tbh
    Explained it waaaay better than my math teacher thanks🙏😁

  • @anayawahl853
    @anayawahl853 2 роки тому +1

    thank you so much, this has been really helpful! my maths teacher made no sense but this did so appreciate you going through it slowly :)

  • @Mido-ih6rl
    @Mido-ih6rl Рік тому +3

    thank you for the clear content and the fascinating platform, it really makes my studying easier!

  • @finding440
    @finding440 2 місяці тому

    My maths teacher made this topic confusing to me but your 5 mins video makes me confident about the topic

  • @GagandeepKaur-of7fx
    @GagandeepKaur-of7fx 3 роки тому +6

    Thank u this really really helps 😁

  • @Strangesaccount
    @Strangesaccount Рік тому

    This video is fantastic for those who want to learn about significant figures ❤❤❤

  • @bloxburgdiaries_x
    @bloxburgdiaries_x 3 дні тому

    thank you so much for this! i finally understand what significant figures are!

  • @ahm1d.mp3
    @ahm1d.mp3 Рік тому +1

    TYSM! I had trouble round numbers to sig figures and this helped out. I got an exam tmr so this is gonna help a lot. Subbed and liked the video!

    • @Phymacss
      @Phymacss Рік тому +1

      Just a question please.
      How do we round 319.7 to significant figures? Is it 320 or 320.0?

    • @ahm1d.mp3
      @ahm1d.mp3 Рік тому +1

      320.0, 320 Doesnt matter at all.@@Phymacss

  • @farihajunaid44
    @farihajunaid44 Рік тому

    I had watched all the videos but this one helped me and made me understand in good concept.

  • @Deliver-Fool
    @Deliver-Fool 2 місяці тому +1

    Very clear & helpful, thanks!

  • @vauric7342
    @vauric7342 2 роки тому +1

    this helps for my exam in couple of hours I already learned it but I wanted a recap and also checking out more vids now much love!

  • @n-c1108
    @n-c1108 10 місяців тому +2

    School didn't teach it but even my tuition teacher didn't teach it.. thx 😅

  • @Kish_now_animats
    @Kish_now_animats 5 місяців тому

    Now you've got 800k subscribers, congrats

  • @ryandioulo5701
    @ryandioulo5701 2 роки тому +1

    this is the best video ever😀🤩

  • @mustafaandsalaarvlogs2156
    @mustafaandsalaarvlogs2156 Місяць тому

    Bro cleared my confusions in 1 second which i couldn't understand in 1 month thank god my friend told me about you thanks alot!

    • @ayyanzeditz
      @ayyanzeditz Місяць тому

      Yo Salaar, I am your class fellow Ayyan Ayyaz

  • @aurroiuqs
    @aurroiuqs 3 місяці тому

    Thank you so much I’m like 4 years late but this literally helped me so much god bless 😊❤

  • @praiseibilolaaa
    @praiseibilolaaa 3 роки тому +1

    Thankyou so much 😭 needed this for my maths exam!

  • @keviii2606
    @keviii2606 2 роки тому +1

    Have a math test and this is one of the topics thanks a lot

  • @NaimaLondon
    @NaimaLondon 2 роки тому +3

    Clear, easy helpful 👌 😌

  • @electronichyper7860
    @electronichyper7860 3 роки тому +10

    these videos are great! all i would like to ask is if you could put 2 or 3 questions at the end so I could get a little practice and then the answers

  • @vsfx7094
    @vsfx7094 2 роки тому

    Thank you so much I needed an explanation for this bcz of have an exam tomorrow and this helped so much!!

  • @Ghost-7860
    @Ghost-7860 3 роки тому

    Omg helped so much for my mid term exams (definitely subscribe)

  • @Vacation__
    @Vacation__ 7 місяців тому

    You don't know how much your existence meant to me bro 💝 thank u

  • @mostlydragonball
    @mostlydragonball 2 роки тому

    This video was really helpful
    i have an exam day after tommorow and this video helped me alot i had no idea what S.F are so thank-you

  • @esthernjeri178
    @esthernjeri178 2 роки тому +2

    Thank you for the lesson but i have a question about the 3500 should we keep the last 00 while giving the answer or we should eliminate it???

    • @mariyah3931
      @mariyah3931 2 роки тому +1

      It's not a decimal so you keep it

  • @KpopAddict-m3h
    @KpopAddict-m3h Рік тому

    Thanks so much I skipped some days of school and they started this I didn't get the chance to talk teacher about it and this video helped so much

  • @sararaya8659
    @sararaya8659 3 роки тому +10

    this was so helpful now imma get good in my math exam but the last bit confused me a bit

  • @JorgeAlvarez-lh6jo
    @JorgeAlvarez-lh6jo 3 роки тому

    Thank you . You are certainly the best one exlpaining. Tomorrow I have exam helped me allot thank you verrrrrry much

  • @syedamehreen85
    @syedamehreen85 2 місяці тому

    Bro you are the best cleared my confusion in 5 minutes which I could not do amonth❤

  • @inriinriinriinriinri
    @inriinriinriinriinri Рік тому +2

    The last bit about zeros in integer numbers was so helpful! Couldn't find anything about it for almost an hour.. Thank you a lot!

  • @Phoebechepngeno
    @Phoebechepngeno 5 місяців тому

    Thank you so much cognito . I'm confident that I'm not gonna fail this question again

  • @TheOnlyGamer-s4p
    @TheOnlyGamer-s4p Місяць тому +1

    I fr thought bro only uploads science vids. Damn. But sadly, he aint continuing vids anymore.

  • @Thecirquare
    @Thecirquare 3 роки тому

    Thank You This Was Vey Helpful :) May U Reach 1M Soon!

  • @Bustedmemez
    @Bustedmemez Рік тому +1

    Great vid ima subscribe

  • @itzjohnson
    @itzjohnson 4 місяці тому +1

    Thank you for posting once again , I hope to see you soon , dont forget about God and God please bless brother . 🙏🏼👑✝️❤️

  • @29mbj62
    @29mbj62 Рік тому

    Very good explanation and in very little time, bravo!

  • @ẞæéû
    @ẞæéû Рік тому

    thank you for this video , it really helped me for studying 🙂😃😀

  • @ravisoysa1128
    @ravisoysa1128 Рік тому

    This is execellent , it clears my all the doubt.

  • @oownooy_24
    @oownooy_24 2 роки тому +1

    I know I'm a little late to this video but I would just like to say one thing: THANK YOU!
    This video has consolidated my confidence in significant figures and has helped me pass so many tests and exams. I fit weren't for u I'd probably fail! THANK YOU SO MUCH!
    Cheers!

    • @Cognitoedu
      @Cognitoedu  2 роки тому

      Ah thank you, that's so great to hear! 🤩

  • @Clix-_-74
    @Clix-_-74 Рік тому

    Thank you so much i am revising for the end of tear test and this helped alot

  • @omxarisprollyonval
    @omxarisprollyonval Рік тому

    tysm because of this channel i dont fail math :)))

  • @forreal-sd6gi
    @forreal-sd6gi Рік тому

    Thank You So Much!! Such a great video with such easy explaination! I finally understood this concept :)

  • @cyreclarke7683
    @cyreclarke7683 3 роки тому

    This video was very, very helpful to me to help me prepare for my Math class on Tuesday Afternoon.

  • @yumethdalpathadu8283
    @yumethdalpathadu8283 Рік тому

    Thank u very much it is really useful in my tomorrow's exam...

  • @insanegaming9410
    @insanegaming9410 Рік тому

    this guy saved my 11pm sleep-deprived chemistry-intoxicated a**. Thanks.

  • @bhavanibhavani19998
    @bhavanibhavani19998 2 роки тому +1

    Thank you 😍 I got it in 5 mins

  • @rekhanambiar6117
    @rekhanambiar6117 Рік тому

    Helps a lot 😸 tomorrow I have a exam helps with it😊

  • @hyeokjunOh
    @hyeokjunOh 4 місяці тому

    Finally a good vid thx man

  • @hayley3255
    @hayley3255 2 роки тому +1

    i want to ask if we keep the last digit the same, for example 3425, is the answer 3425 like the same or do we change it?

    • @Sirbrown07
      @Sirbrown07 2 роки тому

      3425 to 3 sig fig = 3430
      3425 to 2 sig fig = 3400

    • @hayley3255
      @hayley3255 2 роки тому

      Okay! Thank youuuu

  • @camillegilreath
    @camillegilreath 3 роки тому

    Thank you I have a physical science test tomorrow and some of the test is about rounding significant figures. Helped a lot thx

    • @Cognitoedu
      @Cognitoedu  3 роки тому

      Ah glad we could help Camille, best of luck 👍

  • @WaranaSJ
    @WaranaSJ Рік тому +3

    Hi Cognito, Can you make a video about limits of accuracy (bounds) if possible i have trouble understanding the topic it will be really helpful a lot. By the way love ur vids!!

  • @xy8gaming235
    @xy8gaming235 2 роки тому +1

    Very good 👍 love the explanation

  • @keronpatrick840
    @keronpatrick840 2 роки тому

    I have End of term exams tmr and this helped alot

  • @GuyFromPakistan69
    @GuyFromPakistan69 2 роки тому +1

    Thanks for the information
    brother ❤️

  • @reesawy8603
    @reesawy8603 2 роки тому

    One of the best math videos i had ever seen i understand all the lesson from u sir better than my teacher. Thanks

  • @unchosen2
    @unchosen2 2 роки тому +1

    I have a question what If the question is: 3.9991 and round of 1,2 and 3 significant pls tell me I have maths exam on Monday. Will it be counted as 10??

  • @hafiztakde
    @hafiztakde 2 роки тому

    Thank you so much, you helped my get a 100% on my finals!!!! My name’s Rayn btw

  • @AlmaQadan
    @AlmaQadan 2 місяці тому

    That is the most helpful video 😊

  • @zil0soul519
    @zil0soul519 3 роки тому +1

    Thank you so much! I got so confused with them this really helped 😄

    • @Cognitoedu
      @Cognitoedu  3 роки тому +1

      Thanks, we're glad we could clear it up for you 😊

  • @Clicks0101
    @Clicks0101 2 роки тому +3

    that was crispy clear thank you
    😇😃

  • @xo.dayanita
    @xo.dayanita Рік тому

    you are a life saver.

  • @kneelbeforezod2160
    @kneelbeforezod2160 3 роки тому +2

    super helpful thank you. do zeros on the right of significant numbers are not significant?

    • @official.mijana2606
      @official.mijana2606 3 роки тому +2

      they are significant if there infront of the significant numbers then there not significant

    • @kneelbeforezod2160
      @kneelbeforezod2160 3 роки тому

      @@official.mijana2606 thank you

  • @taimooralhabsi53
    @taimooralhabsi53 Місяць тому

    Thanks your the best explainer

  • @rajarajeswari943
    @rajarajeswari943 3 роки тому

    Thank U so much I was really confused but now it's all clear

  • @yigitcan824
    @yigitcan824 3 роки тому +1

    Hi Dave
    I want to ask you a question about that.
    For example when I multiply 20 with cos25, should I round the result to 20? Because 20 has the least significant figures.
    20*cos25=20?
    Could you help me?

    • @Musfirah_
      @Musfirah_ 3 роки тому

      What grade are you in?

  • @Andrewh2010
    @Andrewh2010 3 роки тому +1

    this explained it better than Corbet maths

    • @Cognitoedu
      @Cognitoedu  3 роки тому +1

      Really happy you found it helpful - thanks :)

  • @gtsgts6003
    @gtsgts6003 3 місяці тому

    Thank you because I have a End of unit test tomorrow

  • @benstevens981
    @benstevens981 2 роки тому

    thank you so much i really needed this

  • @PokerRD
    @PokerRD Рік тому

    How do u round off?

  • @mrpalmer6971
    @mrpalmer6971 11 місяців тому

    Great explanation, thanks!

  • @Daniel_lio
    @Daniel_lio 9 місяців тому

    For that last "4300" question, as we can't really tell whether if it's 2 or 3 significant figures, do we just write 4300 as it is?

  • @Nematullah-jg8dv
    @Nematullah-jg8dv 3 місяці тому

    Thank you so much Sir, When I was at school, I was really bad at maths but now I am really interesting to study again Maths do you think by watching your videos I get A or A* in GCSE?

    • @inayatahmed2160
      @inayatahmed2160 3 місяці тому

      Yes he's really good and covers every math topic needed to get a*

  • @Alihaider23023
    @Alihaider23023 Рік тому +1

    Best video ever about sig.fig.

  • @robloxcousin7078
    @robloxcousin7078 3 роки тому +1

    Hello! Please help with this question, 0.003025 rounded to 2 significant figure!

  • @senakasenanayake7900
    @senakasenanayake7900 3 роки тому +2

    What grade should I get in maths to enter a college?

    • @ButtChinsAreHereToStay
      @ButtChinsAreHereToStay 3 роки тому

      I believe a level 5 is what you need. This is the top grade on the foundation paper but only the 5th best on the higher tier. The higher tier papers are pretty tough to get the best grades of an 8 or 9.

  • @krishhemanath3412
    @krishhemanath3412 3 роки тому

    Thank you so much! I have a math exam tomorrow too and this was one of the topics that i was confused about... Once again thanks!

  • @durucakir8101
    @durucakir8101 3 роки тому

    WHAT A LOVELY VIDEO!!!

  • @finding440
    @finding440 2 місяці тому

    Very good maths teacher

  • @poonyanefamily9142
    @poonyanefamily9142 3 роки тому +2

    Very helpful thank you

  • @Ghosty_12304
    @Ghosty_12304 4 місяці тому

    i understand every single thank you

  • @andrewbergdorf8535
    @andrewbergdorf8535 2 роки тому

    Thank you for making this video

  • @queenrisaisyourenemy9169
    @queenrisaisyourenemy9169 2 роки тому +1

    DUDE YOU SAVED MY LIFE, THANK YOU!