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 - Page 16: 38

Answer

$\notin$

Work Step by Step

Zero is neither positive nor negative. So it cannot be a "positive" integer.
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