Thinking Mathematically (6th Edition)

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

Chapter 9 - Measurement - 9.1 Measuring Length; The Metric System - Exercise Set 9.1: 78

Answer

The distance is 2914 miles.

Work Step by Step

Since 1 km = 100,000 cm, we need to move the decimal place 5 places to the right to convert from units of km to units of cm. $4690~km = 469,000,000~cm$ We can convert from units of cm to units of miles. $469,000,000~cm = \frac{469,000,000~cm}{1}\times\frac{1~in}{2.54~cm} \times \frac{1~ft}{12~in}\times\frac{1~mi}{5280~ft}$ $469,000,000~cm = 2914~mi$ $4690~km = 2914~mi$ The distance is 2914 miles.
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