Answer
km
Work Step by Step
Adriana drove 400 km on her vacation. While you are on a vacation and you are driving than you are going to drive in kilometers only. All other units are small for this kind of measurement.
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 7 - Measurement - 7.2 The Metric System - Length - 7.2 Exercises - Page 493: 17
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