kendall89 kendall89

13-12-2019
Mathematics

contestada

Write an equation for the nth term in the geometric sequence. Then find an.
(19.) 0.2, 1.6, 12.8, 102.4, ...
(20.)
T
n
L
n
an
1
-1458
2
-162
3
-18

Respuesta :

PollyP52 PollyP52

13-12-2019

Answer:

Below.

Step-by-step explanation:

The common ratio = 1.6 / 0.2 = 8, 12.8 / 1.6 = 8.

The nth term = an = 0.2(8)^(n-1).

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