Question

-9 ^5/2

Answer 1

\[-9^{5/2} = -\left( 9^{1/2} \right)^{4} \rightarrow - \left( 3 \times 3 \times 3 \times 3 \right) \rightarrow -81\]

I'm not sure if that's right, will need a 2nd opinion :)

Answer 2

where did 4 come from,it's suppose to be 5