Question

Evaluate [{(-3)^2}^-1]^2

Answer 1

${( {( {( - 3)}^{2}) }^{ - 1}) }^{2} \\ = { (- 3)}^{2 \times - 1 \times 2} \\ = { - 3}^{ - 4} \\ = \frac{1}{{(- 3)}^{4}} \\ = \frac{1}{81}$

Hope this helps.

Thanks.