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 - 1-4 Properties of Real Numbers - Practice and Problem-Solving Exercises - Page 26: 17



Work Step by Step

The Commutative Property of Addition states that order of addition does not matter, so we add all three numbers in any order we choose. 55.3+.2=55.5 55.5+23.8=79.3 79.3+.7=80
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