Mathematics
Mathematics, 03.12.2020 17:20, nayely1020

Calcium-41 is being used in studies testing the effectiveness of drugs for preventing osteoporosis. The half-life of calcium-41 is 100,000 years. If 20 grams of calcium-41 are present initially, how long would it take until only 2 grams remains?

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Calcium-41 is being used in studies testing the effectiveness of drugs for preventing osteoporosis....

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