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

Answer

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
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