In 2016 U.S. national debt was $18.9 trillion.use scientific notation to put a number like 18.9 trillion in perspective. a. Express 18.9 trillion in scientific notation.b. Each year, Americans spend $254 billion on summer vacations. Express this number in scientific notation.c. Use your answers from parts (a) and (b) to determine how many years Americans can have free summer vacations for $18.9 trillion.
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In 2016 U.S. national debt was $18.9 trillion.use scientific notation to put a number like 18.9 trillion in perspective.
a. Express 18.9 trillion in scientific notation.
b. Each year, Americans spend $254 billion on summer vacations. Express this number in scientific notation.
c. Use your answers from parts (a) and (b) to determine how many years Americans can have free summer vacations for $18.9 trillion.
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