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  • 21-11-2022
  • Mathematics
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the half-life of radium-226 is 1600 years. suppose we have a 23-mg sample. (a) how much of the sample will remain after 5000 years? (round your answer to one decimal place.) mg (b) after how many years will only 18 mg of the sample remain? (round your answer to one decimal place.) yr

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