Qwerty1956
Qwerty1956 Qwerty1956
  • 14-06-2020
  • Mathematics
contestada

Please help. 20 points and brainliest.

Please help 20 points and brainliest class=

Respuesta :

osikbro
osikbro osikbro
  • 14-06-2020

Answer:

18

Step-by-step explanation:

Plugging in 3 for n, we get:

[tex]t_n=2(3)^{3-1} \\\\t_n=2(3)^2 \\\\t_n=2(9) \\\\t_n=18[/tex]

Hope this helps!

Answer Link
xinyiz
xinyiz xinyiz
  • 14-06-2020
n = 3
t3 = 2(3)^3-1
t3 = 2 x 3^2
t3 = 2 x 9
t3 = 18
Answer Link

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