10.9090909091.....

I don't really know what to do with this problem, I know that I should set it up like this:

$\displaystyle

\frac{1090}{100} + (\frac {1090}{100}* \frac {1}{100})+ (\frac {1090}{100}*(\frac{1}{100})^2)....

$

But whats next?

So A=1090/100 and R=1/100?