Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises - Page 35: 61


29.62 in

Work Step by Step

To find the final reading on the barometer, add each amount by which the mercury rises and subtract the amount by which the mercury falls. 29.8+0.02−0.09−0.18+0.07⟶ use commutative property to group positive and negative numbers together =29.8+0.02+0.07+−0.09+−0.18⟶ add the positive and the negative addends =29.89+(−0.27) add =29.62
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.