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15-01-2021
Mathematics

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Element X is a radioactive isotope such that every 81 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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justnvalerio29 justnvalerio29

15-01-2021

Answer:

15?

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