#### Answer

$81$

#### Work Step by Step

Since exponents represent repeated multiplication, $9^{2}=9\times9$
$9^{2}=9\times9=81$

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$81$

Since exponents represent repeated multiplication, $9^{2}=9\times9$
$9^{2}=9\times9=81$

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.