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The Radioactive Element Polonium Decays According to the Law

Question 214

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The radioactive element polonium decays according to the law The radioactive element polonium decays according to the law , where Q​<sub>0</sub> is the initial amount and the time t is measured in days. If the amount of polonium left after 280 days is 80 mg, what was the initial amount present? ​ __________ mg , where Q​0 is the initial amount and the time t is measured in days. If the amount of polonium left after 280 days is 80 mg, what was the initial amount present?
​
__________ mg

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