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OpenStudy (anonymous):
The formula for any geometric sequence is an = a1 · rn - 1, where an represents the value of the nth term, a1 represents the value of the first term, r represents the common ratio, and n represents the term number. What is the formula for the sequence -3, -6, -12, -24, ...?
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OpenStudy (anonymous):
\[ a_1 = -3,\quad r = -6/-3 = 2 \]
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