For a certain country, the national debt was 18.45 trillion. Use scientific notation to put a number like 18.45 trillion in perspective. Complete parts (a) through (c).
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a. Express 18.45 trillion in scientific notation.
= ?
b.
Four years of tuition, fees, and room and board at a public U.S. college cost approximately
$40,000. Express this number in scientific notation.
= ?
c. Use your answers from parts (a) and (b) to determine how many citizens could receive a free college education for
$18.45trillion.The answer to part (c) in scientific notation is
= ?
citizens.
(Use the multiplication symbol in the math palette as needed. Round to two decimal places as needed.)
The answer to part (c) in decimal notation is
= ?
citizens.
+37146 a.) 18.45 trillion is 18 450 000 000 000.00 = ( move decimal 13 places) = 1.845 x 1013
b.) 40 000 = 4.0 x 104
c.) What do you think?.......
