nicoleamberdrew nicoleamberdrew

23-02-2019
Mathematics

contestada

What is the sum of an infinite geometric series if the first term is 8 and the common ratio is 1⁄2?
A. 8
B. 16
C. 32
D. 4

Respuesta :

sqdancefan sqdancefan

24-02-2019

Answer:

B. 16

Step-by-step explanation:

The sum is given in terms of the first term a1 and the common ratio r as ...

S = a1·1/(1-r)

Substituting the given values and doing the arithmetic, we find ...

S = 8/(1 -1/2) = 16

The sum of the series is 16.

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