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Math Help - Expressing into numercial form

  1. #1
    Junior Member
    Joined
    Mar 2009
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    34

    Expressing into numercial form

    -7
    443 x 10



    how do i do this please explain. this might be easy for u by from a year 6 like me..... its hard. This question is only 1 the question from the lsit.
    Last edited by kl050196; July 18th 2009 at 04:17 AM. Reason: it is suppose to be 10 to the power of negative 7
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  2. #2
    Super Member
    Joined
    May 2009
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    You mean 443 \times 10^{-7}?

    First, note that there is a decimal point there, but it's not normally written -- it's right after the 3. If you multiply a number by 10^{-7}, just move the decimal point 7 places to the left:

    443{\color{red}.}\; \times 10^{-7} = 0{\color{red}.}0000443


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