Solve the problem. Express your answer in scientific notation, and round to one decimal place. The national debt of a small country is $7,370,000,000 and the population is 2,662,000. What is the amount of debt per person?
A. $2.8 × 106
B. $2.8
C. $28
D. $2.8 × 103
Answer: D
Mathematics
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Solve the problem.If f varies jointly as q2 and h, and f = -24 when q = 2 and h = 2, find f when q = 4 and h = 3.
A. f = -48 B. f = -144 C. f = -9 D. f = -36
Mathematics
Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. No inverse
Mathematics
Solve.1.8n = 63
A. n = 35 B. n = 31 C. n = 61.2 D. n = 113.4
Mathematics
Subtract.-5.9 - (-3.8)
A. -2.1 B. -9.7 C. 2.1 D. 9.7
Mathematics