Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.6 - Multiplying and Dividing Real Numbers - Practice: 8

Answer

a. 16 b. -16 c. -1 d. -1 e. $\frac{49}{81}$

Work Step by Step

a. $(-2)^{4}$ = (-2)(-2)(-2)(-2) = 16 b. $-2^{4}$ = -(2*2*2*2) = -16 c. $(-1)^{5}$ = (-1)(-1)(-1)(-1)(-1) = -1 d. $-1^{5}$ = -(1*1*1*1*1) = -1 e. $(-\frac{7}{9})^{2} = (-\frac{7}{9})(-\frac{7}{9}) = \frac{49}{81}$
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