#### Answer

7

#### Work Step by Step

We simplify:
$\displaystyle \frac{21}{3}=7\mathrm{\ r\ }0\rightarrow7$

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

7

We simplify:
$\displaystyle \frac{21}{3}=7\mathrm{\ r\ }0\rightarrow7$

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.