Question

what will be unit digit of the squares of the square of the following numbers?
1.81
2.272
3.799
4.3853
5.1234
6.26387
7.52698​

Answer 1

Answer:

(v) The number 1234 contains its unit's place digit 4. So, the square of 4 is 16. Hence, the unit's digit of square of 1234 is 6. (vi) The number 26387 contains its unit's place digit 7.

Answer 2

Answer:

1. 1

2.4

3. 1

4. 8

5. 6

6. 9

7. 4