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 4 - Decimals - Review Exercises - Page 321: 34

Answer

Answer: Estimate: 280 Final: 290.7

Work Step by Step

Using front end rounding let's first round off the each number 308.5 (rounds to) 300 17.8 (rounds to) 20 Now we find estimate 210 300 - 20 ______ 280 Now we find the exact answer 2107 10 + 308.5 + 17.8 ________ 290.7

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.

GradeSaver will pay $15 for your literature essays

GradeSaver will pay $25 for your college application essays

GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical

GradeSaver will pay $10 for your Community Note contributions

GradeSaver will pay $500 for your Textbook Answer contributions