the 3rd term of a geometric sequence is -9 and the 6th term is -243. find the 8th term.
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the 3rd term of a geometric sequence is -9 and the 6th term is -243. find the 8th term.
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Answer:
the 8th term is -399
Step-by-step explanation:
-78
1st term is 147
2nd term is 69
3rd term is -9
6th term is -243