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Mathematics, 18.03.2021 02:40 Ben2752

A sample of a radioactive isotope had an initial mass of 650 mg in the year 1994 and decays exponentially over time. A measurement in the year 1996 found that the sample's mass had decayed to 570 mg. What would be the expected mass of the sample in the year 2005, to the nearest whole number?

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