Express $8p^{-3}$8p−3 as a fraction without negative indices.

Write $\left(\frac{a}{b}\right)^{-n}$(ab)−n without a negative exponent.

Express the following fraction as a product containing negative indices: $\frac{m}{n^4}$mn4

Express the fraction $\frac{4}{n^2}$4n2 as a product containing negative indices.