Write the number in scientific notation.0.0000000712019
A. 7.12019 × 108
B. 7.12019 × 10-9
C. 7.12019 × 10-7
D. 7.12019 × 10-8
Answer: D
Mathematics
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Reduce the rational number to its lowest terms.
A. 
B. 
C. 
D. 
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Solve the problem. Round to the nearest cent.The list price of 2 dozen blank cassettes is $53. Find the dealer's cost per cassette if a series discount of 
is offered.
A. $1.77 B. $42.80 C. $0.43 D. $1.78
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Multiply.(33)(22)
A. 736 B. 726 C. 826 D. 716
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Subtract.-14 - 15
A. -1 B. -29 C. 29 D. 1
Mathematics