gracecendejas gracecendejas

15-10-2018
Mathematics

contestada

What is the fifth term of the geometric sequence where a1=4,096 and the common ratio is -1/4

Respuesta :

altavistard altavistard

22-10-2018

Answer:

16

Step-by-step explanation:

If the first term a1 and the common ratio -1/4 are known, then a(n) = a1*r^(n-1).

Here we have a(n) = 4096(-1/4)^(n-1).

Thus, a(5) = 4096(-1/4)^4 = 16

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