We have seen that the 2016 U.S. national debt was $18.9 trillion. In Exercises 117118, you will
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We have seen that the 2016 U.S. national debt was $18.9 trillion. In Exercises 117–118, you will use scientific notation to put a number like 18.9 trillion in perspective.
a. Express 18.9 trillion in scientific notation.
b. Four years of tuition, fees, and room and board at a public U.S. college cost approximately $60,000. Express this number in scientific notation.
c. Use your answers from parts (a) and (b) to determine how many Americans could receive a free college education for $18.9 trillion.
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