Mathematics, 09.11.2020 21:40 lyne29

A radioactive isotope decays exponentially. The time it takes for half of the amount to decay is called the isotope's half-life. A certain isotope has a half-life of 12 hours. If after 72 hours there are 0.325 mg left, what was the isotope's initial mass? A. 5324.8 mg
B. 20.8 mg
C. 0.289 mg
D 1331.2 mg

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A radioactive isotope decays exponentially. The time it takes for half of the amount to decay is cal...

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