First find the rate of growth (k) P=Ae^kt P 76 million A 72 million E constant K ? T time 1998-1992=6 years Solve the formula for k K=[log (P/A)÷log (e)]÷t K=(log(76÷72)÷log(e))÷6 k=0.009
Now find the population in 2012 P=Ae^kt P ? A 72 million E constant K 0.009 T time 2,012−1,992=20 years