State the half-lives of different radioisotopes

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The half-lives of different radioisotopes are given in the table below. How long would it take (in minutes) for the amount of argon-44 to decrease from 28.0 mg to 3.50 mg?

argon-44 / 12

lead-196 / 37

potassium-44 / 22

indium-117 / 43

Reference no: EM13212553

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