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: 20

Answer

a. $y^{7}$ b. $64x^{2}$ c. $x$

Work Step by Step

a. $y^{5}y^{2} = y^{5+2} = y^{7}$ b. $(8x)^{2} = 8x\times8x=64x^{2}$ c. $x^{4}x^{-3} = x^{4-3} =x^{1} = x$
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