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Question: exam 11 page 5 10 a radioactive substance decays in...

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Exam 1/1, Page 5 10. A radioactive substance decays in such a way that the amount of mass remaining after t days is given by where m(t) is measured in kilograms. (a) (1 point) Find the mass at the time to m(t) 15e-0.02t (b) (1 point) Determine how much of the mass remains after 40 days. Note: In this problem you are not expected to give numerical answers (c) (3 points) Determine when there will be 5 kilograms of the mass remaining. Note: Irn this problem you are not expected to give numerical answers.
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