Question

Please answer all parts

Answer 1

Ans1

1 is at unit digit of 31

so 1^2 =1

so 31 has 1 at unit place

Answer 2

Answer:

Step-by-step explanation:

1)1

2)9

3)8

4)2

5)0

6)3

7)4

8)5

9)6

10)7