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OpenStudy (anonymous):
if the first term of an arithmetic progression is -3 and the common difference is 8, what is the 28th term
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OpenStudy (whpalmer4):
\[a_n = a_1 + (n-1)d\]where \(n\) is the number of the term you are talking about, \(a_n\) is the value of that term, and \(d\) is the common difference
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