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OpenStudy (anonymous):
The half-life of a certain radioactive material is 32 days. An initial amount of the material has a mass of 361 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the nearest thousandth.
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OpenStudy (unklerhaukus):
\[[A](t)=[A_0]2^{-t/t_{1/2}}\]
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