# How do you find the sum of the infinite series Sigma6(1/10)^i from i=1 to oo?

$\frac{1}{\frac{1}{10} - 1} 6$
It is $\sum \left({a}^{n}\right) = \frac{1}{\left(1 - \frac{1}{a}\right)} = \frac{10}{9} \cdot 6$