Question

what will be the unit digit of the squares of the following numbers 2647​

Answer 1

Answer:

the squares of the numbers are

2 - 4

6 - 36

4 - 16

7 - 49

Answer 2

Answer:

9 it is simple you have to just make square of the unit digit of the number

2647's unit digit is 7 and 7 square is 49,

take the unite digit of 7 squares which is 9