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Mathematics, 26.05.2021 17:00 khambay

Element X is a radioactive isotope such that every 23 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 80 grams, how much of the element would remain after 21 years, to the nearest whole number?

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Element X is a radioactive isotope such that every 23 years, its mass decreases by half. Given that...

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