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Homework Help: Log a 3.5= ?

  1. Nov 4, 2007 #1
    [SOLVED] log a 3.5= ?

    given log a 2= 1.8301 and log a 7= 5.0999

    what is log a 3.5=?

  2. jcsd
  3. Nov 5, 2007 #2

    Gib Z

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    Homework Helper

    Why does the thread name say solved?

    Anyway, Please show us some working, we can't help you otherwise. All I'm going to say is to remember some log identities. You must see a relation between 3.5, 7 and 2.
  4. Nov 5, 2007 #3
    This may come in handy..

  5. Nov 5, 2007 #4

    Gib Z

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    Homework Helper

    *sigh* Well stuff the forum regulations hey?
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