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Mathematics, 22.03.2021 15:40 wwwvio7251

Element X is a radioactive isotope such that every 69 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 20 grams, how much of
the element would remain after 30 years, to the nearest whole number?

Element X is a radioactive isotope such that every 69 years, its mass decreases by

half. Given th

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