Mathematics, 28.04.2021 01:00 jakiyahporter0817
The radioactive substance polonium-210, with a half-life of 138.39 days, is present in tobacco. Suppose that the soot in an ex-smoker's lungs contains 100 milligrams of polonium-210. How much radioactive polonium will remain after one year of not smoking
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The radioactive substance polonium-210, with a half-life of 138.39 days, is present in tobacco. Supp...
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