Answer
225
Work Step by Step
$15^2=225$
225 has 3 significant digits.
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Section 1.15 - Powers and Roots - Exercises - Page 90: 1
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