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Mathematics, 30.05.2020 23:02 junielouwho

Element X is a radioactive isotope such that every 27 years, its mass decreases by
half. Given that the initial mass of a sample of Element X is 7900 grams, how much
of the element would remain after 12 years, to the nearest whole number?

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Element X is a radioactive isotope such that every 27 years, its mass decreases by
half. Given...

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