Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 9 - Measurement - 9.2 Measuring Area and Volume - Concept and Vocabulary Check: 3

Answer

Because $1~mi^2= 640~acres$, the unit fraction needed to convert from acres to square miles is $\frac{1~mi^2}{640~acres}$ and the unit fraction needed to convert from square miles to acres is $\frac{640~acres}{1~mi^2}$

Work Step by Step

Because $1~mi^2= 640~acres$, the unit fraction needed to convert from acres to square miles is $\frac{1~mi^2}{640~acres}$ and the unit fraction needed to convert from square miles to acres is $\frac{640~acres}{1~mi^2}$
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