Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - Chapter Summary, Review, and Test - Review Exercises - Page 335: 21

Answer

$-15$

Work Step by Step

The two factors have opposite signs, so their product is negative. Thus, $5(-3) = -15$
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