Could someone with these three problems? they are simplifying expressions by factoring. you so much!

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Ill mark the brainliest if you me with the these three questions 7,8,9

What is coefficient of the term of degree of degree 5 in the polynomial below