Please check my answers. Thank you.

Evaluate the given definite integral using the fundamental theorem of calculus. Round to 2 decimal places if needed.

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Find the area of the region R that lies under the given curve y = f(x) over the indicated interval . Round to the 6th decimal places. Under , over .

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A study indicates that t months from now the population of a town will be growing at a rate of people per month. By how much will the population growth of the town increase over the next 6 months? Round to the nearest integer.

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The number of bacteria present after t minutes of an experiment was. What was the average number of bacteria present during the first 2 minutes of the experiment. Round to 1 decimal place.