Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Appendix B - Exercise Set: 45

Answer

$\frac{56m^7}{n^5}$

Work Step by Step

Use the product rule and the definition of negative exponents. $(8m^5n^{-1})(7m^2n^{-4})=8\times7\times m^{5+2}\times n^{-1+(-4)}=56m^7n^{-5}=\frac{56m^7}{n^5}$
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