Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.6 - Subtraction of Real Numbers - Exercise Set - Page 71: 96

Answer

The elevation difference is $14,776$ feet

Work Step by Step

The peak of Mount Whitney=$14,494$ feet The Death Valley=$-282$ feet (negative because it is below sea level) $ 14,494-(-282)\qquad$...change the subtraction to addition $=14,494+282\qquad$...replace $-282$ with its opposite. $=14,776$ feet
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