Mathematics
Mathematics, 15.12.2020 20:00, emma3216

A certain radioactive isotope has a half-life of 50 years. A scientist determines that there are 200 grams of the radioactive material present today. How Much of the isotope was present 200 years ago?

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A certain radioactive isotope has a half-life of 50 years. A scientist determines that there are 200...

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