Just number three please!

The population of the United States is predicted to be P(t) = 310e.0073 million, where t is the number of years after 2010. + Find the average population (in millions) between the years 2030 and 2080. (Round your answer to the nearest whole number. ) millions 4. [-/1 Points] DETAILS BERRAPCALC7 5.R.065. MY NO An artist wants to paint the interior of the shape shown below on the side of a building. 9 . y = 3Vx Meters y X 9 Meters How much area (in square meters) will the artist need to paint? (Round your answer to two decimal places. )