Question

The unit digit in the square of 885797

Answer 1

Answer:

Step-by-step explanation:

The unit digit of any no. whose unit digit is 7 is always 9.

The following are the unit digits of the no. whose unit digits are:-

1 = 1

2 = 4

3 = 9

4 = 6

5 = 5

6 = 6

7 = 9

8 = 4

9 = 1