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4 votes
Find the eighth term of the

geometric sequence, given the
first term and common ratio.
a1=6 and r=-1/3


PLEASE HELP

1 Answer

5 votes

Answer:

see explanation

Explanation:

The n th term of a geometric sequence is


a_(n) = a₁
(r)^(n-1)

where a₁ is the first term and r the common ratio, hence


a_(8) = 6 ×
(-1/3)^(7) = 6 × -
(1)/(3^(7) ) = 6 × -
(1)/(2187) = -
(2)/(729)

User Sagar Jethi
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