For this case we have the following function: A (t) = P (1 + r / n) ^ nt Substituting values we have: A (4) = 500 * (1 + 0.09 / 1) ^ (1 * (4)) A (4) = 705.790805 Rounding we have: A (4) = 705.79 Answer: The answer for this case is given by: A (4) = 705.79 option A
The answer that you are looking for is 60 . It will take 60 days until there will be 30 million new accounts added to a site. If you divide 30 from .5 you would get 60 so that would be your answer