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Math Help - Long equation , is this a legitimate equation or a joke?

  1. #1
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    Long equation , is this a legitimate equation or a joke?

    Long equation , is this a legitimate equation or a joke?-image.jpg

    i saw this posted & would like to
    Know if it can be worked or it's
    just a fake problem ??
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  2. #2
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    Re: Long equation , is this a legitimate equation or a joke?

    If you can figure out what (512.0, 5)2 and (6.0, 5)8 mean then yes you can work it out. I suspect that (x, y)n means xn+ yn.
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  3. #3
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    Re: Long equation , is this a legitimate equation or a joke?

    thanks.
    I'm not at all mathematically inclined.
    That's why I posted this to the forum
    because my friends aren't either & assumed
    this was a joke because it was attached to
    a silly web graphic.
    Do you know the correct answer to this?
    I'd like to rub it in their face. Ha ha

    Thanks for replying even thus far
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  4. #4
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    Re: Long equation , is this a legitimate equation or a joke?

    The 10 th power blows up the the whole answer...it becomes immensely large...
    But still, assuming the commas to be typos and a little help from a casio scientific calculator gives an approximate answer of(Also assuming I read the whole question correctly):
    (14.45 \times 10 ^{10} )-(7.9 \times 10^{5})


    Which is HUGE!!!
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  5. #5
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    Re: Long equation , is this a legitimate equation or a joke?

    In other parts of the world, commas are often used as decimal points. Every time you see a 0,5 think of it as 0.5.

    If there's a joke to it (other than being a lot of computation), I don't see it. The expression simplifies down to 87051515887.
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  6. #6
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    Re: Long equation , is this a legitimate equation or a joke?

    I figured that it wasn't a decimal point because the square root of a square would get simplified, but that simplification isn't possible with the way I interpreted the comma.
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