Question

Simplify 3^−2

I think it is 1/9 but I'm not sure

Answer 1

see explanation

Explanation:

Using the rule of exponents

`a^(-m)` ⇔
`(1)/(a^(m) )`, hence

`3^(-2)` =
`(1)/(3^(2) )` =
`(1)/(9)`

Answer 2

you are correct the answer is 1/9

Explanation: