Solve the problem.What is the intensity in watt/m2 of a noise measured at 92 decibels? 
where S0 is 10-12 watt/m2. (Express in scientific notation, and round to three significant digits.)
A. 9.89 × 1015 watt/m2
B. 1.58 × 10-2 watt/m2
C. 9.2 × 10-10 watt/m2
D. 1.58 × 10-3 watt/m2
Answer: D
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Express the limit as a definite integral.
?xk, where P is a partition of [5, 7]
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Provide an appropriate response.Write the formal notation for the principle "the limit of a quotient is the quotient of the limits" and include a statement of any restrictions on the principle.
A. 
= 
.
B. 
= 
, provided that 
C. If 
and 
then 
provided that 
D. If 
and 
then 
provided that 
Find the divergence of the field F.F = 
A. 
B. 
C. 
D. 0
Solve.Suppose that the sales of a particular brand of appliance satisfy the relationship 
where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 1960 and 2320?
A. Between 1993 and 1996 B. Between 1992 and 1995 C. Between 4 and 7 D. Between 1993 and 1995