Question

Question 5
Find the sum of the following geometric series.
8+1.6+0.32+0.064 + ...

Answer 1

good morning,

Answer:

10×(1-0.2ⁿ)

Explanation:

1.6/8=0.2

0.32/1.6=0.2

0.064/0.32=0.2

let S represent the sum of n term then S=8×[(1-0.2ⁿ)/(1-0.2)] = 10×(1-0.2ⁿ).

:)