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The half-life of Polonium-209 is 102 years. If 5 kilograms of Polonium-209 remain in a...

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The half-life of Polonium-209 is 102 years. If 5 kilograms of Polonium-209 remain in a specimen after 200 years, how much of the substance was originally present?A) 13.960 kilogramsB) 19.464 kilogramsC) 15.874 kilogramsD) 8.035 kilograms

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