Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.2 - Operations on Real Numbers - R.2 Exercises - Page 21: 60

Answer

80

Work Step by Step

$-20(-4)=-20\times-4=80$ The numbers being multiplied together have the same sign, so their resulting product is positive.
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