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The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 1000 years?
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The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 1000 years?

User Cajuuh
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Explanation:

simple

User Kiyoshi
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