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Math Help - Determining Half Life.

  1. #1
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    Determining Half Life.

    Need help determining half life with this graph


    Initial Value: 200
    Attached Thumbnails Attached Thumbnails Determining Half Life.-dfa.png  
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  2. #2
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    Re: Determining Half Life.

    ... looking at the graph, I'd say between 8 and 9 hrs.
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  3. #3
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    Re: Determining Half Life.

    It starts at 200 mg. After eight hours, you have 100 mg. Half life is eight hours.
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