SOLUTION: I have to figure out the population of Germany. My problem is they have a negetive growth rate and when I plug the equation into my TI84 calculator it tells me error becauce of the

Question 277112: I have to figure out the population of Germany. My problem is they have a negetive growth rate and when I plug the equation into my TI84 calculator it tells me error becauce of the negative number with is -14.48%. How do I do this problem?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
P = Po (1 + r)^t
___ P = present population
___ Po = original (starting) Population
___ r = annual growth rate
___ t = time in years

this will work regardless of the sign of r
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