Multiply.(28)(-27)
A. 756
B. -756
C. -856
D. -784
Answer: B
Mathematics
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Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. What is the intensity in watt/m2 of a noise measured at 51 decibels? (Round to an appropriate number of significant digits.)
A. 1.6 × 1014 watt/m2 B. 1.3 × 10-6 watt/m2 C. 1.3 × 10-7 watt/m2 D. 5.1 × 10-10 watt/m2
Mathematics
Solve the problem.Use the given function to find the indicated probabilities. Illustrate each probability with a graph.f(x) = 
(A) P (1 ? X ? 4)(B) P (X < 6)(C) P (X = 1)
What will be an ideal response?
Mathematics
Evaluate the integral 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Evaluate.(-1)21
A. -1 B. 1 C. -21 D. 21
Mathematics