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    beauty lux's Avatar
    beauty lux Posts: 36, Reputation: 1
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    #61

    Jan 10, 2009, 05:06 PM
    In the last one.the first thing I did was convert inches to miles.

    So would I take 1.204*10 to the 24/93,000,000/63360?

    Or because the question is asking for me to calculate the distance there and back.would I take 93million times 2?

    Or am I overthinking?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #62

    Jan 10, 2009, 05:11 PM

    You do need to multiply it by 2, but 63360 is your conversion from inches to miles.

    So 1.204*10 to the 24 is the length of your chain in inches
    1.204*10 to the 24/63360 is the length of your chain in miles and
    1.204*10 to the 24/63360/25000 is the number of times the chain goes aroudn the earth.

    This should be very easy to alter for your current question.
    beauty lux's Avatar
    beauty lux Posts: 36, Reputation: 1
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    #63

    Jan 10, 2009, 05:16 PM

    okay. So the equation would look like this.

    1.204/63360/186000000 would be the equation?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #64

    Jan 10, 2009, 05:31 PM
    yeah but don't forget your 10^24
    beauty lux's Avatar
    beauty lux Posts: 36, Reputation: 1
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    #65

    Jan 10, 2009, 05:34 PM
    Okay.
    So the answer I got was 1.021641143*10 to the 11th
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #66

    Jan 10, 2009, 05:45 PM

    Sounds about right.

    I think the point your teacher is trying to get across is htat a mole is a large number :)
    beauty lux's Avatar
    beauty lux Posts: 36, Reputation: 1
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    #67

    Jan 10, 2009, 05:47 PM
    Thanks a bunch..
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