The population of a region is growing exponentially. There were 35 million people in 1980 (when t=0) and 70 million people in 1990. Find an exponential mo for the population (in millions of people) at any time t, in years after 1980. (Note: if you use decimal approximations for the numerical constants in your work, be sure to retain enough significant figures through your work to ensure that subsequent answers are correct.) P(t)= What population do you predict for the year 2000? Predicted population in the year 2000 = What is the doubling time? Doubling time= years. million people.