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Five hundred grams of a particular radioactive substance decays according to the function m(t) = 500 e -1/400, where t2 0 measures the time in

Five hundred grams of a particular radioactive substance decays according to the function m(t) = 500 e -1/400, where t2 0 measures the time in years. When does the mass of the substance reach 10 grams? Round to the nearest year. O A. BOO years OB. 1565 years O C. 488 years O D. 1931 years Time Remaining: 00:52:36 Next

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