Question

Simplify the following exponential expression.

120a^4b^2/-24a^9b^-15

Answer 1

is this the right answer
-5a^13b^-17

Answer 2

I will assume you mean

120a^4b^2/(-24a^9b^-15)

if so, then it would be
-5 a^-13 b^17
or
-5b^17/a^13