Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 1 - Section 1.7 - Exponents and Order of Operations - Vocabulary, Readiness & Video Check: 9

Answer

Because the length and width are the same number for a square.

Work Step by Step

The area of a rectangle is found by multiplying its length times its width. A square is a special type of rectangle where the length is equal to the width. For a square, $l\times w=w\times w=w^2$.
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