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    Amber7848's Avatar
    Amber7848 Posts: 1, Reputation: 1
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    #1

    Nov 9, 2011, 08:46 PM
    How do you write the equation for this sequence 10, 20, 30, 40
    Please help.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 9, 2011, 10:23 PM
    Try using the arithmetic progression equation?



    Tn is the nth term,
    a is the first term,
    n is the term number in the sequence (n = 1 means first, n = 2 means second, etc)
    d is the common difference (the difference between any two consecutive terms).

    Can you work it out? :)
    selveena_'s Avatar
    selveena_ Posts: 8, Reputation: 1
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    #3

    Nov 10, 2011, 01:53 AM
    Tn=10n
    where Tn is the nth term
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