#### Answer

The expression is $\frac{4n^{2}}{m}$

#### Work Step by Step

To solve
= 4$m^{-1}$$n^{2}$ --> we can change the exponent from negative to positive by taking the reciprocal
= 4$\times$$\frac{1}{m^{1}}$$\times$$n^{2}$
= $\frac{4n^{2}}{m}$

Published by
Prentice Hall

ISBN 10:
0133281140

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

The expression is $\frac{4n^{2}}{m}$

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