# What is 3 to the fourth power times 3 to the fifth power?

Dec 12, 2015

${3}^{9}$

#### Explanation:

Use the formula

$\left({x}^{m}\right) \left({x}^{n}\right) = {x}^{m + n}$

$\left({3}^{4}\right) \left({3}^{5}\right) = {3}^{4 + 5}$
$\left({3}^{4}\right) \left({3}^{5}\right) = {3}^{9}$