Question: Tutorial Exercise Beginning with 28 grams of a radioactive element whose half-life is 55 years, the mass y (in grams) remaining after t years is

Tutorial Exercise Beginning with 28 grams of a radioactive element whose half-life is 55 years, the mass y (in grams) remaining after t years is given by y = 28 1 t/55 2 t2 0. How much of the initial mass remains after 120 years? Click here to begin! Need Help? Read It
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