Answer
4
Work Step by Step
Under the definition of rational numbers, real numbers, and integers, a rational number is always on the real number line, and an integer is always a rational number. Therefore, the integer embodies all three criteria.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 17: 42
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