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Math Help - Exponential Growth and Decay

  1. #1
    dto
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    Exponential Growth and Decay

    I am really stuck on this half-life thing... I just don't get how they get k=-.000121
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  2. #2
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    Quote Originally Posted by dto View Post
    I am really stuck on this half-life thing... I just don't get how they get k=-.000121
    What part of the solution do you get stuck on?
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  3. #3
    Grand Panjandrum
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    Quote Originally Posted by dto View Post
    I am really stuck on this half-life thing... I just don't get how they get k=-.000121
    Well there is a pretty complete explanation there, exactly where do you lose the thread?

    CB
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