Answer
-8 x 7 =-56
Work Step by Step
Whenever you multiply a negative and a positive you ignore the opposite signs and multiply
8x7=56
You then address the signs in front of the values and add the negative to the final product
-8 x 7= -56
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - 1.7 Multiplication and Division of Real Numbers - 1.7 Exercise Set - Page 58: 19
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