#### Answer

$y=\frac{k}{a^4}$

#### Work Step by Step

Because $y$ varies inversely as $a^4$, $y$ is inversely proportional to $a^4$. So we have
$y=\frac{k}{a^4}$.

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$y=\frac{k}{a^4}$

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.