Question

3
Rewrite the following without an exponent.
9-2

Answer 1

7

Explanation:

9-2

Answer 2

`(1)/(81)`

Explanation:

Assuming you mean:
`9^(-2)`

`9^(-2)\\\\a^(-b)=(1)/(a^b)\\\\ 9^(-2)=(1)/(9^2)=\boxed{(1)/(81)}`

Hope this helps.