Question

what will be the unit digit of the square of 36387

Answer 1

the unit digit of the square of 36387 is 9 as the last digit is 7 and its square is 49 whose unit digit is 9.

Answer 2

Hey there,
When we take out the square of 36387 it shows like this 36387*36387 and when we multiply them first we start from last digit to multiply and we can see in both the numbers it is 7 . So 7*7 is 49 and 9 will be the last digit of the whole number which we get after multiplication.