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: 25

Answer

(a) $6x^{5}y$ (b) $6b$

Work Step by Step

(a) $(3x^{2}y)(2x^{3})=3\cdot 2x^{2+3}y=6x^{5}y$ (b) $(2a^{2}b^{-1})(3a^{-2}b^{2})=2\cdot 3a^{2-2}b^{-1+2}=6a^0b=6ab$
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