21mcbripypl52 21mcbripypl52

30-03-2020
Mathematics

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Radium-226, a common isotope of radium, has a half-life of 1,620 years. How many grams of a 120-gram sample will remain after t years?

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alexandermcqueen1513 alexandermcqueen1513

25-02-2022

Answer: The answer is D, the next next one is 115.

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