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Mathematics, 26.04.2021 06:50, roseemariehunter12
If 14 g of a radioactive substance are present initially and 3 yr later only 7 g remain, how much of the substance will be present after 6 yr?
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Answers: 3
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If 14 g of a radioactive substance are present initially and 3 yr later only 7 g remain, how much o...
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