Answer
The width of a notebook is $=0.0215$.
Work Step by Step
$2.15 \times 10^{-2}$
$=2.15 \times \frac{1}{100}$
$=0.0215$
The width of a notebook is $=0.0215$.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 9 - Quadratic Functions and Equations - 9-5 Completing the Square - Practice and Problem-Solving Exercises - Page 581: 51
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