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OpenStudy (anonymous):
The half-life of a certain radioactive material is 76 hours. An initial amount of the material has a mass of 794 kg. Write an exponential function that models the decay of this material.
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OpenStudy (anonymous):
794(1/2)^(t/76)
OpenStudy (shamim):
half life T=76 hrs initial amount of radioactive material N0=794 kg
OpenStudy (shamim):
we know radioactive constant lamda=1/T=1/76
OpenStudy (shamim):
N=N0 e^(-lamda *t) N=76 e^(-1/76 *t)
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