Radioactive Decay The amount of radioactive isotope thorium-234 present in a certain sample at timet is given by A(t) = 500e-0.02828tgrams, where tyears is the time since the initial amount was measured. How long will it take for the amount of isotopeto equal 318 grams?
Radioactive Decay The amount of radioactive isotope thorium-234 present in a certain sample at timet is given by A(t) = 500e-0.02828tgrams, where tyears is the time since the initial amount was measured. How long will it take for the amount of isotopeto equal 318 grams?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.5: Exponential And Logarithmic Equations
Problem 95E
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Radioactive Decay The amount of radioactive isotope thorium-234 present in a certain sample at time
t is given by A(t) = 500e-0.02828t
grams, where t
years is the time since the initial amount was measured. How long will it take for the amount of isotope
to equal 318 grams?
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