Answer
$z^2$
Work Step by Step
$z^4\times z^{-5}\times z^3=z^{4+(-5)+3}=z^2$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Appendix B - Exercise Set - Page 742: 36
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