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: 76

Answer

The person has covered a distance of 4.2 kilometers.

Work Step by Step

We can find the total distance $d$ in meters. $d = 6\times 700~m = 4200~m$ We know that 1 km = 1000 m We can convert the distance to units of km. $d = \frac{4200~m}{1}\times \frac{1~km}{1000~m} = 4.2~km$ The person has covered a distance of 4.2 kilometers.
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