Homework Help: Math

Posted by Dawn on Tuesday, November 8, 2011 at 11:03pm.

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.

Math - Henry, Thursday, November 10, 2011 at 8:25pm
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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