Question

Rewrite the following without an exponent.

Answer 1

`(1)/(81)`

Explanation:

Law of exponent

`a^(-m) = (1)/(a^(m) )`

1) Applying the above rule, we have

`9^(-2) = (1)/(9^(2) )`

=
`(1)/(9*9)`

=
`(1)/(81)`