Write the number in scientific notation.The treasurer's records showed a debt of $3,046,840.
A. 3.04684 x 101
B. 3.04684 x 107
C. 3.04684 x 10-6
D. 3.04684 x 106
Answer: D
Mathematics
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Solve.In how many ways can a girl choose a two-piece outfit from 4 blouses and 9 skirts?
A. 13 B. 15 C. 36 D. 72
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The following table gives the total sales of drugs (in billions of dollars) in one country from 1999 
through 2003:
Year, x01234Sales, y125144169189214?
Find an equation of the least-square line for these data. Round the coefficients in your equation to one decimal place.
?
A. 
B. ?
C. ?
D. ?
E. ?
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Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
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Write the rate as a fraction in simplest form.9 cars for 63 people
A. 
B. 
C. 
D. 
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