Mathematics
Mathematics, 24.05.2020 01:00, Courtneymorris19

You have 480 grams of a radioactive kind of samarium. If its half-life is 90 years,
how much will be left after 180 years?

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You have 480 grams of a radioactive kind of samarium. If its half-life is 90 years,
how much wi...

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