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Math Help - solve this formula

  1. #1
    Newbie
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    jaipur
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    Question solve this formula

    .43-.73-.33= what and how to do it
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  2. #2
    Senior Member MacstersUndead's Avatar
    Joined
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    Re: solve this formula

    Use a calculator or solve by hand. To solve by hand, I find that it helps to write each decimal into a fraction and then recall the fact that (\frac{a}{b})^n = \frac{a^n}{b^n}

    For example, (.4)^3 = (\frac{4}{10})^3 = \frac{4^3}{10^3} = \frac{64}{1000} The process is similar with the other decimals in this formula. then it's a simple matter of addition and subtraction of fractions.
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