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    bettyboop33's Avatar
    bettyboop33 Posts: 1, Reputation: 1
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    #1

    Jan 14, 2009, 07:38 PM
    Number Sequence
    I have a number sequence problem.

    1,8, 27,64, 125

    The answer is 216 in the back of the book. I don't see the pattern. WOuld you point it out for me?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jan 14, 2009, 07:46 PM
    Try successive cubes.
    Boston Crone's Avatar
    Boston Crone Posts: 10, Reputation: 1
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    #3

    Jan 14, 2009, 07:55 PM
    These are cubes of successive numbers - 1*1*1=1 and 2*2*2 = 8 and so on, after 5, the sequence is 6*6*6 = 216.
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