Answer
$7\sqrt{2d}$
Work Step by Step
Apply $\ \ \sqrt[n]{a^{m}}=a^{m/n},$
$(98d)^{1/2}=\sqrt[2]{(98d)^{1}}=\sqrt{49\cdot 2d}$
$=\sqrt{7^{2}\cdot 2d}$
=$7\sqrt{2d}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-5 Rational Exponents and Radicals - Practice and Problem-Solving Exercises - Page 450: 23
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