How do you simplify (3^-1)/(3^3)?

$\frac{1}{3} ^ 4$
${3}^{- 1}$ is the same as $\frac{1}{3}$
so ${3}^{- 1} / {3}^{3} \text{ "=" "3^(-1)xx1/3^3" " =" } \frac{1}{3} \times \frac{1}{3} ^ 3 = \frac{1}{3} ^ 4$