Solve the problem.In a sample of 78 widgets, 3 were defective. How many defective widgets would you expect in a sample of 390 widgets?
A. 13 widgets
B. 36 widgets
C. 18 widgets
D. 15 widgets
Answer: D
Mathematics
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State how much larger or smaller the first unit is than the second.nanometer, meter
A. Larger by a factor of 109 B. Larger by a factor of 106 C. Smaller by a factor of 106 D. Smaller by a factor of 109
Mathematics
Evaluate the expression for the given replacement value.x ? 28, for x = 9
A. 252 B. 352 C. 182 D. 197
Mathematics
An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.
A. 
B. (x2 + 2)3/2(2x + 1)-1/2(x2 - x + 6)
C. 
D. (x2 + 2)3/2(2x + 1)1/2(x2 - x + 6)
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 10
C. 
D. 
Mathematics