Answer
$17,030$ ft
Work Step by Step
RECALL:
$a-b=a+(-b)$
830 ft below sea level is represented by the integer $-830$.
Thus, the difference in elevation between the plane and the submarine (in ft) is:
$=16200-(-830)
\\=16200+830
\\=17030$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Test - Page 111: 22
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