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).

------------------------------------------------

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.

Guest Sep 17, 2021

#1**+1 **

a.) 18.45 trillion is 18 450 000 000 000.00 = ( move decimal 13 places) = 1.845 x 10^{13 }

b.) 40 000 = 4.0 x 10^{4}

c.) What do you think?.......

ElectricPavlov Sep 17, 2021