College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.3 - Integer Exponents and Scientific Notation - P.3 Exercises - Page 23: 21


a. $x^{-2}$ b. $w^{-1}$ c. $y^{3}$

Work Step by Step

a. $x^{-5}x^{3} = x^{-5+3} = x^{-2}$ b. $w^{-2}w^{-4}w^{5} = w^{-2-4+5}=w^{-1}$ c. $\frac{y^{10}y^{0}}{y^{7}} = y^{10+0-7} =y^{3}$
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