Exponents

Evaluate. $\frac{8m}{n}$   , for m = 16 and n = 4

• 64

• 8

• 32

• 4

Simplify. 18 + 3²(2) - (-20)

• 43

• 74

• 4

• 56

Simplify. 2x + 9x - (7x + 6)

• -2x

• 4x - 6

• 4x + 6

• -5x + 3

Simplify. x² ∙ y^-6

• $\frac{x^2}{y^{10}}$

• $\frac{x^2}{y^6}$

• $x^2∙y^{10}$

• $x^2∙y^6$

Simplify. $\frac{\left(4xy^{-2}\right)^{-2}}{2xy^3}$  

•  $\frac{y}{32x^3}$  

•  $-\frac{4}{x^3y^{-7}}$  

•  $-\frac{8y}{x^3}$  

•  $\frac{y}{32}$  

Simplify. (x^-3y⁵)^-3

• $\frac{y^2}{x^{-6}}$

• $\frac{1}{x^9y^{15}}$

• $\frac{x^9}{y^{15}}$

• $\frac{x^{-6}}{y^2}$