rauljr1161 rauljr1161

26-04-2024
Mathematics

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A sample of a radioactive isotope had an initial mass of 820 mg in the year 1995 and decays exponentially over time. A measurement in the year 2002 found that the sample's mass had decayed to 380 mg. What would be the expected mass of the sample in the year 2007, to the nearest whole number?

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