Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix A - Exercise Set - Page 975: 14



Work Step by Step

$\frac{30z^{2}\times z^{5}}{55z^{-4}}$ =$\frac{30z^{2+5}}{55z^{-4}}$ =$\frac{30z^{7}}{55z^{-4}}$ =$\frac{30}{55}\times\frac{z^{7}}{z^{-4}}$ =$\frac{6}{11}\times z^{7+4}$ =$\frac{6z^{11}}{11}$
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