The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the form Q = Q0e−kt. (Round the decay constant to three significant digits.) Q(t) = (b) Use your model to predict, to the nearest year, the time it takes one fifth of a sample of cobalt 60 to decay. _________yr

The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the form Q = Q0e−kt. (Round the decay constant to three significant digits.) Q(t) = (b) Use your model to predict, to the nearest year, the time it takes one fifth of a sample of cobalt 60 to decay. _________yr

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter4: Exponential And Logarithmic Functions

Section4.6: Modeling With Exponential Functions

Problem 20E

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