Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - P.1 - Review of Real Numbers and Their Properties - Exercises - Page 13: 68

Answer

Associative Property of Multiplication and Multiplicative Inverse Property

Work Step by Step

$\frac{1}{7}(7\times12)$ Use the Associative Property of Multiplication: $(\frac{1}{7}.7)12$ Use the Multiplicative Inverse Property ($x.\frac{1}{x}=1,~~~x\ne0$): $1\times12=12$
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