91Ó°ÊÓ

In the following exercises, multiply the monomials.

$\left(\frac{2}{3}{x}^{2}y\right)\left(\frac{3}{4}x{y}^2\right)$

In the following exercises, multiply the monomials.

$\left(\frac{3}{5}{m}^3{n}^2\right)\left(\frac{5}{9}{m}^2{n}^3\right)$

In the following exercises, simplify each expression.

${\left(x^2\right)}^4·{\left(x3\right)}^2$

In the following exercises, simplify each expression.

${\left(y^4\right)}^3·{\left(y^5\right)}^2$

In the following exercises, simplify each expression.

${\left(a^2\right)}^6·{\left(a^3\right)}^8$

In the following exercises, simplify each expression.

${\left(b^7\right)}^5·{\left(b^2\right)}^6$

In the following exercises, simplify each expression.

${\left(2m^6\right)}^3$

In the following exercises, add or subtract the monomials.

$28x−(−12x)$

In the following exercises, simplify each expression.

${\left(3y^2\right)}^4$

In the following exercises, simplify each expression.

${\left(10x^{2}y\right)}^3$