91Ó°ÊÓ

Simplify the expression.

$-{\left(\frac{1}{2}\right)}^{-3}$

Simplify the expression.

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

Simplify the expression.

${\left(\frac{5}{9}\right)}^{-2}$

Simplify the expression.

${\left(-\frac{3}{x}\right)}^{-3}$

Simplify the expression using the product property.

${\left(y^4\right)}^3$

Simplify the expression using the product property.

${\left(3^2\right)}^5$

In the following exercises, determine if the polynomial is a monomial, binomial, trinomial, or other polynomial.

$\begin{array}{l}\left(a\right)11y^2\\ \left(b\right)−73\\ \left(c\right)6x^2−3xy+4x−2y+y^2\\ \left(d\right)4y^2+17z^2\\ \left(e\right)5c^3+11c^2−c−8\end{array}$

In the following exercises, add the polynomials.

$\left(p^2-6p-18\right)+\left(2p^2+11\right)$

Simplify the expression.

${\left(a^{10}\right)}^y$

Simplify the expression using the product property.

$x^{-3}·x^9$