Unit Digit of Higher Powers of Numbers | GMAT Number Properties Lesson Video | Unit Digit Pattern

[@rajeshmishra7132]

Thank you Sir. This is certainly useful for young kids

[@kajalbarad411]

Awesome clarification sir

[@marinasirko3477]

Brilliant! Thank you a lot!!!!

[@ashishsinha9035]

Thanks Baskar!

[@yousufahmed2296]

What if I take 108^120. Here, with 4k+r rule, r=0 & k=30. Do I need to use 4k+r rule again on 30 to get r=2?