91Ó°ÊÓ

Simplify the expression using the product property.

$r^{-5}·r^{-4}$

Simplify the expression by using the product property.

$\left(u{v}^{-3}\right)\left(u^{-4}{v}^{-2}\right)$

Simplify the expression using the product property.

${\left(m^5\right)}^{-1}$

Simplify the expression using the product property.

$p^5·p^{-2}·p^{-4}$

Simply the expression using the power property.

${\left(k^{-2}\right)}^{-3}$

Simplify the expression using the power property.

$\frac{q^4}{q^{20}}$

Simplify the expression using the power property.

$\frac{b^8}{b^{-2}}$

Simplify the expression using the power property.

$\frac{n^{-3}}{n^{-5}}$

In the following exercises, subtract the polynomials.

$\left(4m^2-6m-3\right)-\left(2m^2+m-7\right)$

Simplify the expression using the product to a power property.

${\left(-5ab\right)}^3$