Mathematics, 23.10.2021 14:00 basketball6076
What is the half-life of polonium-214 if, after 820. seconds, a 1.0-g sample decays to 31.25 mg?
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What is the half-life of polonium-214 if, after 820. seconds, a 1.0-g sample decays to 31.25 mg?...
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