## Algebra 2 Common Core

$$\frac{1}{m^{2}}$$
A negative exponent is equivalent to the reciprocal of the same positive exponent and any variable raised to the 0 power is just 1: $$m^{-2}n^{0}=\frac{1}{m^{2}}\times 1 =\frac{1}{m^{2}}.$$