One estimate of the population of the world on January 1, 2005, is 6,486,915,022. The population is estimated to be increasing at the rate of 1.4 percent per year. At this rate, what will the population of the world be on January 1, 2025? Round your answer to the nearest whole number.

Question

anonymous · Answer

man ur fast

anonymous · Answer

lordamercy.  write 
$$P(t)= 6,486,915,022 e^{.014t}$$ and replace t by 20

anonymous · Answer

i am assuming continuous rate of 1.4.  otherwise just do 
$$P(t)=6,486,915,022(1.014)^{20}$$

anonymous · Answer

actually it says 1.4% per year, so use second answer

anonymous · Answer

why 1.014

anonymous · Answer

wen i put that in i got 8.56638 * 10^9

anonymous · Answer

because to increase something by 1.4% you multiply by 1.014\]

anonymous · Answer

let me try it

anonymous · Answer

i get same thing.  answer is 8,566,379,470

anonymous · Answer

cool beans. and satellite i dont mean to bother u so much but i dont really get math

anonymous · Answer

you got that one. long as you know that when you see 
$$10^9$$ it means move decimal 9 places to right!