Answer
a.) 8
b.) 8
c.) You can conclude that the two different notations are interchangeable.
Work Step by Step
$\sqrt {16}$$\times$$\sqrt 4$ = 4$\times$2=8
$\sqrt {16\times4}$=$\sqrt {64}$=8
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.2 - Page 35: 148
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