#### Answer

$4i\sqrt 3$

#### Work Step by Step

$\sqrt -48=\sqrt (-1\times16\times3)=\sqrt -1\times\sqrt 16\times\sqrt3=(i\times4\times\sqrt3)=4i\sqrt 3$
We know that $\sqrt -1=i$, because $i^{2}=-1$.

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$4i\sqrt 3$

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.