Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 7 - Measurement - Review Exercises - Page 525: 23

Answer

km

Work Step by Step

The two towns are 40 km apart. As we the length between the towns can be measured in km, m cm and mm because it is a length unit. If we choose 40 m, 40 cm or 40 mm, it will be too less for distance between the two towns. So km is the correct answer.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.