Basic College Mathematics (9th Edition)

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

Chapter 1 - Whole Numbers - Review Exercises - Page 107: 118

Answer

Estimate: 60,000; Exact: 84,000

Work Step by Step

To estimate, we round 1400 to the nearest thousand, 1000, and multiply the rounded number of revolutions per minute by the number of minutes: 1000 x 60 = 60,000 revolutions To find the exact number, we multiply the exact number of revolutions per minute by the number of minutes: 1400 x 60 = 84,000 revolutions
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.