Mathematics, 27.05.2021 04:00 bunng7387

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?

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

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