Use scientific notation to solve the problem.The national debt of a small country is $7,970,000,000 and the population is 2,479,000. What is the amount of debt per person?

A. $32.20
B. $3.22 × 106
C. $3.22 × 103
D. $3.22

Answer: C

Mathematics

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Find the curvature ? for the given function.r(t) = (1 + t)3/2i + (1 - t)3/2j + tk 

A. ? = 
B. ? = 
C. ? = 
D. ? = 

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Mathematics

Expand the expression using the Binomial Theorem.(x - 9y)5

A. x5 - 45x4y + 810x3y2 - 7290x2y3 + 32,805xy4 - 59,049y5 B. x5 - 45x4y + 810x3y2 - 7290x2y3 + 32,805xy4 - 59,049 C. x5 - 45x4y + 1620x3y2 - 14,580x2y3 + 32,805xy4 - 9y5 D. x5 - 45x4y + 1620x3y2 - 14,580x2y3 + 32,805xy4 - 59,049y5

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Mathematics

Multiply.  

A.  - 5y2 
B.  - 25y2 
C.  + 25y2 
D.  - 25y

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Mathematics

Convert.546 grams to milligrams

A. 546,000 mg B. 0.0546 mg C. 54,600 mg D. 0.546 mg

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Mathematics