Answer
$5r^3s^4$
Work Step by Step
$\sqrt[3] {125r^9s^{12}}=5r^3s^4$
because
$(5)^3=125$
$(r^3)^3=r^9$
$(s^4)^3=r^{12}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.3 - Simplifying Radical Expressions - Exercise Set - Page 703: 57
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