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    mix786's Avatar
    mix786 Posts: 21, Reputation: 4
    New Member
    		  
    #1

    Oct 1, 2007, 08:35 AM
    Use In key to solve ( correct or not)
    Use the In ket to express each number as a power . Then use the rules of logarithms to find the answer

    (45,332 * 10^5) (33,654 * 10^4)
    ----------------------------------------
    93.153

    OK I am checking in my book
    looking at a sample of such problems.

    first I want to ask that should I multiply the numbers first and have it look like this:

    (453,320^5) (336,540^-4)
    -------------------------------
    93.153

    so than solve the numbers which have the over sign with it
    or what?

    I know I have to use the In ket on the calculator to write each number as e raised to a power
    all the parts are easy I know and I see that also

    I just want to know that should it be like this or not?
    (453,320^5) (336,540^-4)
    -------------------------------
    93.153

    then

    (1.914363479) (7.795666263)
    -----------------------------------
    93.153

    if this is wrong do stop me and let me know where did I go wrong?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
    		  
    #2

    Oct 1, 2007, 03:17 PM
    You have some things incorrect from the outset. Sorry.

    You can rewrite the denominator as:

    Taking the log gives:

    That is
    mix786's Avatar
    mix786 Posts: 21, Reputation: 4
    New Member
    		  
    #3

    Oct 1, 2007, 06:22 PM
    16.21424472
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