Answer
$1$
Work Step by Step
$(-\frac{2}{9}-\frac{7}{9})^{4}$
$=(-\frac{9}{9})^{4}$
$=(-1)^{4}$
$=[(-1)\times(-1)\times(-1)\times(-1)]$
$=(1\times1\times1\times1)$
$=1$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.6 - Complex Fractions and Review of Order of Operations - Exercise Set - Page 285: 49
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