#### Answer

$\frac{b^2}{a}$

#### Work Step by Step

$\frac{ac}{b}\times\frac{b^3}{a^2c}=\frac{ac\times b^3}{b\times a^2c}=\frac{ab^3c}{a^2bc}=\frac{ab^3c\div abc}{a^2bc\div abc}=\frac{b^2}{a}$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$\frac{b^2}{a}$

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