6.3 Dividing Monomials

Which expression is equivalent to $$\frac{x^2y^2z^2}{4y^4}$$ ?

The area of a rectangle is $$72r^5s^2t^7$$ square units. If the length if the rectangle is  $$3r^2t^4$$ units, what is therectangle's width?

The area of a rectangle is  $$64a^8b^{13}$$ square units. If the width if the rectangle is  $$16ab^7$$ units, what is the length?

Simplify: $$\frac{x^2y^5}{x^9y^5}$$  

Simplify: $$\frac{12r^{15}}{2r^3}$$  

$$\frac{6a^5b^7}{-2a^3b^7}$$  

$$\frac{7p^2q^2}{14p^2q^2}$$  

$$\frac{\left(-2m^4\right)^2}{8m^2}$$  

$$\frac{\left(2a^3b^4\right)^3}{\left(2ab^2\right)^5}$$  

$$\left(\frac{5x^6y^2}{10x^4y}\right)^2$$