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the half-life of polonium-218 is 3.0 minutes. what percentage of the original sample remains after 4 half-lives?

  • chemistry - ,

    amount left= (1/2)^4=1/2^4=1/4^2=1/16

  • chemistry - ,

    The half-life of polonium-218 is 3.0 min. If you start with 16 mg of
    polonium-218, how much time must pass for only 1.0 mg to remain?

  • chemistry - ,

    nohonob

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