Answer
$121$
Work Step by Step
$11^2$ means the product of $2$ factors of $11$
Thus,
$11^2 = 11(11) = 121$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Representation and Calculation - Chapter Summary, Review, and Test - Review Exercises - Page 244: 1
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