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s2008m
[1.1K]
2 years ago
13
Find the 7th term of a geometric sequence with t1=5 and r = -2.
Mathematics
Answer
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1
answer:
Shtirlitz
[24]
2 years ago
4
0
An=Asub1(r)n-¹
=5(-2)7-¹
=5(64)
A7=320
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