Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(25x6y4)1/2
A. 5x6y2
B. x3y2
C. 5x3y2
D. 5x3y
Answer: C
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Solve the problem.Assuming C is a simple closed path , what is special about the integral 
? Give reasons for your answer.
What will be an ideal response?
Estimate. Then find the actual quotient.42.23 ÷ 10.3
A. Estimate: 4; Actual: 3.9 B. Estimate: 4; Actual: 4.1 C. Estimate: 0.40; Actual: 0.41 D. Estimate: 0.40; Actual: 0.39
Solve the problem.The length of the diagonal of a rectangle is given by 
where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 16 inches long and 2 inches wide? Round your answer to the nearest tenth of an inch, if necessary.
A. 5.7 inches B. 16.1 inches C. 4.2 inches D. 15.9 inches
Approximate the square root to three decimal places.
A. 59.000 B. 7.681 C. 7.686 D. 7.678