Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 0 - Section 0.2 - Exponents and Radicals - Exercises - Page 16: 25

Answer

$\frac{(xy^{-1}z^3)^2}{x^2yz^2} = \frac{z^4}{y^3} $

Work Step by Step

By the formulas given on page eight and nine, $\frac{(xy^{-1}z^3)^2}{x^2yz^2} = \frac{x^2y^{-1\times2}z^{3\times2}}{x^2yz^2} = \frac{x^2y^{-2}z^6}{x^2yz^2} =x^{2-2}y^{(-2)-1}z^{6-2} = x^0 y^{-3} z^4 = y^{-3} z^4 = \frac{z^4}{y^3} $.
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