CPM Homework Help : PCT Problem 7-110

Find the sum of the following series.

$100 + 100\left(1.005\right) + 100\left(1.005\right)^{2} + … + 100\left(1.005\right)^{11}$

Hint:

$S_n=\frac{a(r^{n}-1)}{r-1}$

More Help:

Remember $n$ is the number of terms in the series. For this series $n = 12$ .