# How do you simplify the expression (10^4)(10^9)?

May 18, 2018

$= {10}^{13}$

#### Explanation:

Since the bases are the same, you can add the exponents.

$\left({10}^{4}\right) \left({10}^{9}\right)$

$= {10}^{4 + 9}$

$= {10}^{13}$