Answer
$\sqrt5$
Work Step by Step
The commutative property states that for any real numbers a, and b:
$a \cdot b = b \cdot a$
Thus, apply the commutative property to the given problem to find:
$\sqrt{5} \cdot 4 = 4 \cdot \sqrt5$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.5 Real Numbers and Their Properties; Clock Addition - Exercise Set 5.5 - Page 308: 14
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