Simplify:

$\left(w^4\right)^{-5}$(w4)−5

Simplify the following expression, leaving your answer in positive index form:

$\left(w^{-9}\right)^5$(w−9)5

Simplify the following expression, leaving your answer in positive index form.

$\left(5^2\right)^{-p}$(52)−p