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Find the fifth term when a1=4 and r=-3
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Find the fifth term when a1=4 and r=-3

User Ramon Poca
by
5.3k points

1 Answer

5 votes

Answer:

a₅ = 324

Explanation:

The nth term of a geometric sequence is


a_(n) = a₁
r^(n-1) then

a₅ = 4 ×
(-3)^(4) = 4 × 81 = 324

User Ekaansh Arora
by
5.1k points
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