Question

Please solve this question​

Answer 1

`(1)/(81)`

Explanation:

Using the rule of exponents

`a^(-m)` ⇔
`(1)/(a^(m) )`

Evaluating from the inside parenthesis outwards

`(-(1)/(3)) ^(2)` = -
`(1)/(3)` × -
`(1)/(3)` =
`(1)/(9)` , then

`((1)/(9)) ^(-2)` =
`(1)/(9^(-2) )` = 9² = 81 , then

`(81)^(-1)` =
`(1)/(81)`