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Math Help - Arithmetic involving powers.

  1. #1
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    Arithmetic involving powers.

    Hi guys,
    Okay, so I have a question.

    If I have to solve a question like this one:
    9 x 10^3
    __________

    (9 x 10^13)x(6x10^-4)

    (that means the 9x10^3) is divided by the numbers in the line beneath).

    My question is: could i cross out the '9s' in the top and bottom and still get the right answer (as long as I simplify the exponents correctly?) Please help.

    PLEASE reply ASAP ... it is a life and death situation.
    Last edited by mr fantastic; May 19th 2010 at 12:50 AM. Reason: Re-titled.
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  2. #2
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    Quote Originally Posted by mathiscruel View Post

    My question is: could i cross out the '9s' in the top and bottom and still get the right answer (as long as I simplify the exponents correctly?) Please help.
    Yes
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