Answer
Not a real number
Work Step by Step
$\sqrt -100$ is not a real number, because we cannot find any real number $a$ such that $a^{2}=a\times a=-100$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.3 - Operations on Real Numbers and Order of Operations - Exercise Set - Page 27: 51
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