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Mathematics, 30.04.2021 15:50 royalbugg

A sample of a radioactive isotope had an initial mass of 730 mg in the year 2000 and decays exponentially over time. A measurement in the year 2002 found that the
sample's mass had decayed to 510 mg. What would be the expected mass of the
sample in the year 2011, to the nearest whole number?

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A sample of a radioactive isotope had an initial mass of 730 mg in the year 2000 and decays expone...
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