Texts: One gallon of gasoline in an automobile engine produces an average of 9.50 g of carbon dioxide, which is a greenhouse gas that contributes to the warming of Earth's atmosphere. Calculate the annual production of carbon dioxide in kilograms if there are approximately 40.0 million cars in the United States and each car covers a distance of 5390 miles at a consumption rate of 22.9 miles per gallon. Be sure your answer has the correct number of significant digits.