Question

how to find the sum from 0-inifinity (1/2^(k+3))

Answer 1

\[\sum_{0}^{ \infty} 1/2^{k+3}\]

Answer 2

find
\[\sum_0^{\infty}\frac{1}{2^k}\] and subtract first 3 terms

Answer 3

i got 1/4
could you verify that for me