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Element X is a radioactive isotope such that every 61 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 20 grams, how long would it be until the mass of the sample
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Element X is a radioactive isotope such that every 61 years, its mass decreases by half.

Given that the initial mass of a sample of Element X is 20 grams, how long would it be until the mass of the sample reached 16 grams, to the nearest tenth of a year?

User Tafsir Ahamed
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1 Answer

6 votes

Answer:

19.6

Explanation:

User Kalior
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