College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises: 74

Answer

$4$

Work Step by Step

The formula for the distance between two numbers is $|a-b|$. Thus, we have $|-2.5-1.5|=|-4|=4$
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