Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.(27x6y6)1/3
A. 3x2y2
B. x2y2
C. 3x2y
D. 3x6y2
Answer: A
Mathematics
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Write the number in scientific notation.2,147,610
A. 2.14761 × 106 B. 2.14761 × 10-6 C. 2.14761 × 107 D. 2.14761 × 101
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Evaluate the expression.-64
A. -24 B. 24 C. 1296 D. -1296
Mathematics
Solve the problem.A new hybrid car can travel 243 miles on 9 gallons of gasoline. What is the hybrid's unit rate in miles per gallon?
A. 252 mi per gal B. 27 mi per gal C. 2187 mi per gal D. 243 mi per gal
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Use duality to solve the problem.Minimizew = y1 + 4y2 + 3y3subject to:3y1 + 2y2 + y3 ? 70 2y1 + 2y3 ? 50 y1 ? 0, y2 ? 0, y3 ? 0
A. 90 B. 20 C. 25 D. 165
Mathematics