# Math

Atmospheric pressure changes as you rise above earth's surface. At an altitude of h kilometers, where 0<h<80, the pressure P is newtons per square centimeter is approximately modeled by the function P(h)=10.31e^(-0.116h). What is the approximate pressure at 50 kilometers. I have tried to figure this out and I keep getting the wrong answer. Please Help.

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1. P(h) = 10.31e^(-0.116*50),
P(h) = 10.31*e^(-5.8),
P(h) = 10.31 * 0.003027554745=0.031214.
N/cm^2.

Seems low but I get the same answer every time.

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posted by Henry

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