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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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