A radioactive substance decays in such a way that the amount left after t years is given by A=100e -0.4t . The amount in ML, A, is express as a percent. What is the rate of decay when 30% of the substance is gone?
A radioactive substance decays in such a way that the amount left after t years is given by A=100e -0.4t . The amount in ML, A, is express as a percent. What is the rate of decay when 30% of the substance is gone?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 15T
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A radioactive substance decays in such a way that the amount left after t years is given by A=100e -0.4t . The amount in ML, A, is express as a percent. What is the rate of decay when 30% of the substance is gone?
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