Answer
$2\sqrt 2$
Work Step by Step
$\frac{\sqrt 80}{\sqrt 10}$ = $\frac{\sqrt 2\times\sqrt 4\times\sqrt 10}{\sqrt 10}$
We can divide out the common factor $\sqrt 10$ and simplify:
$\frac{\sqrt 2\times\sqrt 4\times\sqrt 10}{\sqrt 10}$ = $\sqrt 2\times\sqrt 4$ = $2\sqrt 2$
