Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises: 28

Answer

Rational, Natural, Whole, Integer

Work Step by Step

A natural number is a number in the set $\{1,2,3,…….\}$. The number $13$ is a number that is in this set. The set of natural numbers is also contained in the set of whole numbers, the set of rational numbers, and the set of integers, so $13$ must be a whole number, a rational number, a natural number, and an integer.
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