"What is the 12th term in the geometric sequence -9,27,-81...?
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Answered by
7
Answer:
ar^4 = 81
ar = 24
r^3 = 81/24 = 27/8
r = 3/2
Answered by
3
Answer
ar^3=81
ar=24
r^3=81/24=24/8
r=312
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