Question

(3)-2
Evaluate exponent

Answer 1

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

Explanation:

Definition of negative exponent:

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

In our case, a = 3 and -n = -2.

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

Now we just evaluate the power in the denominator.

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