Concept explainers
111. a. In 2015, the United States government collected$3.18 trillion in taxes. Express this number in scientificnotation.
b. In 2015, the population of the United States wasapproximately 320 million. Express this number inscientific notation.
c. Use your scientific notation answers from parts (a)and (b) to answer this question: If the total 2015 taxcollections were evenly divided among all Americans, how much would each citizen pay? Express theanswer in decimal notation, rounded to the nearestdollar. $9938
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