Answer
$z^4$
Work Step by Step
$\frac{(z^2)^3 \times z^7}{z^9}$
$=\frac{z^6 \times z^7}{z^9}$
$=z^{6+7-9}$
$=z^4$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Review - Page 412: 38
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