Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.2 - Multiplication Properties of Exponents - Practice: 2

Answer

$32y^{14}$

Work Step by Step

Use the product property for exponents $(a^{m} \times a^{n}=a^{m+n})$, as well as the associative and commutative property, to simplify $8y^{5}\times 4y^{9}$: $8y^{5}\times 4y^{9}$ =$(8\times 4)(y^{5}\times y^{9})$ =$(32)(y^{5+9})$ =$32y^{14}$
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