if you get 1 toothpick on day 1 and it doubles each time. how many tooth picks will u have on day 30?
The sum is given by:
1[ 1 - rn ] / [ 1 - r] where r = 2 and n = 30....so we have
1 [ 1- 230] / [ 1 - 2 ] =
1,073,741,823