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Thread: Find m - k

  1. #1
    Super Member harpazo's Avatar
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    Find m - k

    If (0.0015 10^m)/(0.03 10^k) = 5 10^7,
    then find m - k.

    My Effort:

    (0.0015/0.03)*10^(m-k) = 5 * 10^7 =>

    (15/300)*10^(m-k) = 5*10^7 =>

    0.05*10^(m-k) = 5*10^7 =>

    10^(m-k) = 10^9 => m-k = 9

    Is 9 correct?
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  2. #2
    MHF Contributor

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    Re: Find m - k

    Yes, it is! Good work!
    Thanks from harpazo
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  3. #3
    Super Member harpazo's Avatar
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    Re: Find m - k

    Quote Originally Posted by HallsofIvy View Post
    Yes, it is! Good work!
    I had to battle my way to the answer.
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