SOLUTION: The​ half-life of a radioactive substance is 36.1 years. a. Find the exponential decay model for this substance. A(t)=A0e^__t (Round to the nearest tenth) b. How long will it

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Question 1193732: The​ half-life of a radioactive substance is 36.1 years.
a. Find the exponential decay model for this substance.
A(t)=A0e^__t (Round to the nearest tenth)
b. How long will it take a sample of 400 grams to decay to 300 ​grams?
Approximately ___ years (Round to the nearest hundredth)
c. How much of the sample of 400 grams will remain after 20 ​years?
About ___ Grams (Round to the nearest integer)

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Problem description indicates the model form must be form.
Use the half life fact to find the value for k.









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