Question 108319
P(year) = 250 * 2^(y-1990/66) ; Population is millions.
What will the population of the united states be in 2025 if this growth continues? 
----------
P(2025) = 250*2^[(2025-1990/66]
P(2025) = 250*2^[35/66]
P(2025) = 250*1.44423...
P(2025) = 361.058 millions
=============
Cheers,
Stan H.