Question

Find each product or quotient. Express your answer in exponential form.
(-x^5y^7)/y^3

Answer 1

remember some laws
(ab)/c=a(b/c)
and
$\frac{x^m}{x^n}=x^{m-n}$
so

$\frac{-x^5y^7}{y^3} =(-x^5)( \frac{y^7}{y^3})=(-x^5)(y^{7-3})=-x^5y^4$