Determine the value of t9 in a geometric sequence if t1 = 5 and r = -3

Carte asked Feb 10, 2022

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Carte asked Feb 10, 2022

by Carte

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22 votes

Answer:

t₉ = 32805

Explanation:

The nth term of a geometric sequence is

t_(n) = t₁
(r)^(n-1)

Here t₁ = 5 and r = - 3 , then

t₉ = 5
(-3)^(8) = 5 × 6561 = 32805

JohnPS answered Feb 14, 2022

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