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    LiOnDaNcEr's Avatar
    LiOnDaNcEr Posts: 4, Reputation: 1
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    #1

    Oct 12, 2006, 06:40 PM
    scientific notation and regular numbers
    how do you multiply scientific notation and regular numbers? Like

    example:


    7.213 x 10^23 times 14

    how do you do that?
    spike55's Avatar
    spike55 Posts: 2, Reputation: 1
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    #2

    Oct 12, 2006, 07:35 PM
    Start by multiplying the numbers (coefficients) 7.213 by 14, this equals 100.982. Then add the exponents, 23 and 0. Then reduce the product of multiplication to a number between 1 and 10 by dividing it by ten as many times as necessary, in this case twice to 1.00982. Add the number of times you divided to the exponent, 23 plus 2 equals 25. So the answer is 1.00982 x 10^25.

    Once you do it a couple of times it becomes a great way to perform operations on large numbers.
    LucyMcgoo's Avatar
    LucyMcgoo Posts: 27, Reputation: 3
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    #3

    Oct 12, 2006, 10:15 PM
    The easiest way I know of is to just use a scientific calculator. You can get them at Wal-Mart for $10.
    ziggy000's Avatar
    ziggy000 Posts: 1, Reputation: 1
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    #4

    Nov 11, 2007, 07:11 AM
    Comment on spike55's post
    Answer was simply laid out
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