Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 9 - Section 9.8 - Exponential and Logarithmic Equations and Problem Solving - Exercise Set - Page 591: 55

Answer

11.91 psi

Work Step by Step

We know that the atmospheric pressure is given by: $P=14.7e^{-.21x}$ We plug in the given value for x. Then, follow PEMDAS. In other words, first address parentheses, and then resolve exponents. Next, simplify division and multiplication, and lastly address subtraction and addition. This gives: 11.91 psi
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