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    folavali's Avatar
    folavali Posts: 3, Reputation: 1
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    #1

    Feb 17, 2010, 02:34 PM
    what is the extended notation of 2,168?
    2,168 - (2 x _____) + (1 x ______) + (6 x ___________) + (8 x __________)
    folavali's Avatar
    folavali Posts: 3, Reputation: 1
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    #2

    Feb 17, 2010, 02:35 PM

    I need to fill in the blanks for the extended notation
    2,168 - (2 x _____) + (1 x ______) + (6 x ___________) + (8 x __________)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Feb 18, 2010, 06:59 AM

    Since we count in base 10, think in terms of powers of 10. As an example, the number 576 is made up of 5 one hundreds, 7 tens, and 6 ones, like this:

    500+
    70+
    6
    -----
    576

    Or: 5*100 + 7*10 + 6*1

    Get it? Now apply this same technique to your problem.
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