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OpenStudy (anonymous):
What is the 7th term of the geometric sequence where a1 = -5 and a5 = -1,280. Still struggling with these geometric sequence problems...
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OpenStudy (tkhunny):
Does it start with a1 or with a0?
OpenStudy (anonymous):
a1
OpenStudy (anonymous):
You should be able to solve your problem by using this equation. \[a _{n} = a _{1} * r ^{n-1}\] \[n \ge 1\]
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