Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.The national debt of a country is $45,220,000,000 and the population is 6,460,000. What is the debt per person? Write answer without exponents.

A. $700
B. $292,121,200
C. $7000
D. $70,000


Answer: C

Mathematics

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Divide and write the result in standard form.

A. -  + i
B.  + i
C.  + i
D. -  + i

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Solve the problem.Given that the polar equation r = a(1 - e2)/(1 + e cos ?) models the orbits of planets about the sun, estimate the closest possible approach of a planet for which  and  to a planet for which  and 

A. 36 astronomical units B. 67 astronomical units C. 0 astronomical units D. 26 astronomical units

Mathematics

Simplify. Assume that all variables represent positive real numbers.

A.
B.
C.
D.

Mathematics

Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.Find the increase in the number of female athletes from 2003 to 2005.

A. 225 B. 150 C. 125 D. 175

Mathematics