Question

please solve these questions and give me the answer​

Answer 1

Answer:

Step-by-step explanation:

Ans 9. 225 is a perfect square of 15

Answer 2

Answer:

7 ...... 4^-9

8. 20√2 21

9 ..225 15

11 ...1944 ...

12 ...2^5 + 2^0 - 2^1

4^5 - 2^1

2^5 .