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: 17

Answer

80

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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