# How do you find the sum of the finite geometric sequence of #sum_(i=1)^100 15(2/3)^(i-1)#?

##### 1 Answer

May 18, 2018

#### Answer:

#### Explanation:

To find the sum

#sum_(k=0)^na_0r^n=(a_0(1-r^n))/(1-r)#

So, if