Question

Unit digit of the square of 783 is ​

Answer 1

Answer:

9 is the unit digit. we get this when we square the last digit that is 3 if we square 3 we get 9 right so it works everytime.

For.e.g. 284^2 unit place will be 6 because 4*4=16 and units place in 16 is 6 right...