Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.2 - Algebraic Expressions and Sets of Numbers - Exercise Set: 40

Answer

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Work Step by Step

The set {1, 2, 3, ...} defines all natural numbers, or "counting" numbers. The number 12 is included in that set. Think about continuing the set and you will find the number 12: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, ...}
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