jocelynnjohnso90 jocelynnjohnso90

22-04-2021
Mathematics

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Find the 11th term of the geometric sequence 6, -18, 54, ...

Respuesta :

reeserl reeserl

22-04-2021

Answer:

354294

Step-by-step explanation:

Use the formula

[tex]a_{n} = a_{1} r^{n - 1}[/tex]

In your problem [tex]a_{1}[/tex] = 6 r = -3 n = 11

11th term = [tex]a_{11}[/tex] = [tex]6(-3)^{11 - 1} = 6(-3)^{10}[/tex] = 6(59049)

= 354294

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