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OpenStudy (anonymous):
What is the 7th term of the geometric sequence where a1 = –4 and a5 = –1,024?
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OpenStudy (anonymous):
what do you not understand here?
OpenStudy (anonymous):
a(r)^(n-1) -1024/-4 = 256 r^4 = 256 r = 4 (-4)(4)^(n-1) = (-4)(4)^(7-1) = -16384
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