## Algebra 2 Common Core

$$\frac{x^{5}}{y^{7}z^{3}}$$
A negative exponent is equivalent to the reciprocal of the same positive exponent: $$x^{5}y^{-7}z^{-3}=x^{5}\times \frac{1}{y^{7}}\times \frac{1}{z^{3}}=\frac{x^{5}}{y^{7}z^{3}}.$$