Mathematics, 19.03.2021 07:50 krlx
Element X is a radioactive isotope such that every 21 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 1800 grams, how much of the element would remain after 28 years, to the nearest whole number?
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Element X is a radioactive isotope such that every 21 years, its mass decreases by half. Given that...
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