# SOLUTION: The world population P(t), in billions, t years after 1990 can be approximated by: P(t)=3.335(1.016)^t In what year will the world population reach 8 billion? and what is the doubl

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 Click here to see ALL problems on Miscellaneous Word Problems Question 437480: The world population P(t), in billions, t years after 1990 can be approximated by: P(t)=3.335(1.016)^t In what year will the world population reach 8 billion? and what is the doubling time? Any help would be greatly appreciated!Answer by solver91311(16872)   (Show Source): You can put this solution on YOUR website! All that is left is calculator work. Doubling time: Do this one the same way. John My calculator said it, I believe it, that settles it