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Math Help - using power of numbers

  1. #1
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    Red face using power of numbers

    Hi all,
    Sometimes one forgets how to use concepts of math , as I. A simple equation,one unknown.
    1.1 to what power =2.
    How do I find the exponent value? 1.1^x=2 (solve for x)
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  2. #2
    MHF Contributor

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    Re: using power of numbers

    I would use the logarithm: log(1.1^x)= x log(1.1)= log(2). Now divide both sides by log(1.1).
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