↑ on 20 of 24 > © Macmillan Learning The half-lives of different radioisotopes are given in the table. Resources ? Hint Radioisotope argon-44 lead-196 potassium-44 indium-117 Half-life (min) 12 37 22 43 How long would it take, in minutes, for the amount of potassium-44 to decrease from 24.0 mg to 3.00 mg? time: min

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