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Math Help - laws of logarithms

  1. #1
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    laws of logarithms

    Hi,

    I have been given the question .......


    simplify 195 = 250*e-0.05t

    im not not to sure how to procced from here.

    im under the impression you have to log both side and use ln

    is ln195 = ln250-0.05t any where near ?
    Liam
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    Re: laws of logarithms

    Quote Originally Posted by djstar View Post
    ln195 = ln250-0.05t any where near ?
    That's right. Now finish solving for t.
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