A mass of 200 grams of a particular radioactive substance decays according to the function m(t) = 200 e 600 , where t>0 measures time in years. When does the mass reach 50 grams? The mass reaches 50 grams after t= years. (Round up to the nearest whole number.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 54E
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A mass of 200 grams of a particular radioactive substance decays according to the function m(t) = 200 e
where t>0 measures time in years. When does the mass reach 50 grams?
.....
The mass reaches 50 grams after t=
years.
(Round up to the nearest whole number.)
Transcribed Image Text:600 A mass of 200 grams of a particular radioactive substance decays according to the function m(t) = 200 e where t>0 measures time in years. When does the mass reach 50 grams? ..... The mass reaches 50 grams after t= years. (Round up to the nearest whole number.)
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