Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.5 Real Numbers and Their Properties; Clock Addition - Exercise Set 5.5: 9

Answer

1 is considered all three types of numbers: natural, integer and whole number

Work Step by Step

Natural Numbers: N = {1, 2, 3, 4, 5, ...} Integers: I = {..., -3, -2, -1, 0, 1, 2, 3, ...} Whole : W = {0, 1, 2, 3, ...} The number 1 is in each set.
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