Answer
-7
Work Step by Step
Dividing two numbers with opposite signs makes a negative quotient.
$\frac{-21}{3}$=-7
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.7 - Multiplication and Division of Real Numbers - Exercise Set - Page 85: 49
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