amirasaleh1012
08.06.2021 •
Mathematics
A sample of a radioactive isotope had an initial mass of 370 mg in the year 2007 and
decays exponentially over time. A measurement in the year 2012 found that the
sample's mass had decayed to 80 mg. What would be the expected mass of the
sample in the year 2020, to the nearest whole number
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Ответ:
-53 is the quotient