The bar graph shows the total amount Americans paid in federal taxes, in trillions of dollars, and the U.S. population, in millions, from 2007 through 2010. Exercises 111-112 are based on the numbers displayed by the graph.
Federal
a. In 2010, the United States government collected
$2.17 trillion in taxes. Express this number in scientific
notation.
b. In 2010, the population of the United States was
approximately 309 million. Express this number in
scientific notation.
c. Use your scientific notation answers from parts (a)
and (b) to answer this question: If the total 2010 tax
collections were evenly divided among all Americans,
how much would each citizen pay? Express the answer in
scientific and decimal notations.
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