# How do you simplify r^4/r^3 and write it using only positive exponents?

Sep 5, 2016

$r$

#### Explanation:

We have: $\frac{{r}^{4}}{{r}^{3}}$

Using the laws of exponents:

$= {r}^{4 - 3}$

$= {r}^{1}$

$= r$