I don't really understand. If it was a geometric series, it would have been 1/2 + 1/4 + 1/8 + ... + 1/512
If so, you can say that 512 is 2^9
I know the answer to this question is 9 but I am not sure how to get there.
I know that there is probably a really simple method but at the moment I am making a mistake somewhere,
find the number of terms in the geometric series?