Drewby0 Drewby0

26-09-2020
Mathematics

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Initially 100 milligrams of a radioactive substance was present. After 5 hours the mass had decreased by 2%. If the rate of decay is proportional to the amount of the substance present at time t, determine the half-life of the radioactive substance

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DAlTaie4707 DAlTaie4707

26-09-2020

Answer:

The half-life of the radioactive substance is 135.9 hours.

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