Multiply.-10xy7(5xy7 + 2y3 + 5)
A. -50x2y14 - 20xy10
B. -50x2y14 + 2y3 + 5
C. -50xy7 - 20y3 - 50
D. -50x2y14 - 20xy10 - 50xy7
Answer: D
Mathematics
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Carry out the indicated operation and give your answer with the specified number of significant digits.(4.9 × 10-9) ÷ (7.273 × 10-2); 3 significant digits
A. 6.737 × 10-8 B. 6.7 × 10-8 C. 7 × 10-8 D. 6.74 × 10-8
Mathematics
For an election with 4 candidates (A, B, C, and D), we have the following preference schedule:
How many pairwise comparisons does candidate A win?
A. 0 B. 1 C. 2 D. 3 E. none of these
Mathematics
Build the fraction to an equivalent fraction with the denominator specified. State the numerator.
= 
A. 7 B. 98 C. 49 D. 686
Mathematics
Match the equation to its graph.y2 = 8x
A. 
B. 
C. 
D. 
Mathematics