Question

2 raise to power minus 1 divided by 5 raise to power -1 multiplt -8/5 raise to power 1

Answer 1

-4 is your answer....
hope this helps you....

Answer 2

$\frac{2^{-1}}{5^{-1}} * \frac{-8}{5} = \frac{1}{2} * 5 * \frac{-8}{5} = -4$

Thus, the answer is -4.