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The half life of a certain radioactive material is 73 days. An initial amount of the material has a mass of 283 kg. Write an

The half life of

a certain radioactive material is 73 days. An initial amount of the material has a mass of 283 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 11 days. Round your answer to the nearest thousandth

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