Solve the problem.What is the intensity in watt/m2 of a noise measured at 66 decibels? D = 10 log10(S/S0), where S0 is 10-12 watt/m2. Round to two decimal places when necessary.
A. 7.35 × 1014 watt/m2
B. 3.98 × 10-6 watt/m2
C. 6.6 × 10-10 watt/m2
D. 3.98 × 10-5 watt/m2
Answer: B
Mathematics
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Solve. If necessary, round answers to the nearest hundredth.15 students were asked how much cash they had with them and the results were recorded.31, 34, 24, 19, 0, 5, 2, 58, 105, 29, 24, 87, 63, 17, 20How many students had less cash than the mean?
A. 8 B. 4 C. 11 D. 10
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Use function notation to write the equation of the line with the given slope and y-intercept.Slope - 
; y-intercept (0, 0)
A. f(x) = 
x
B. f(x) = - 
C. f(x) = 
D. f(x) = - 
x
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Find the product.
A. 
B. 
C. 
D. 
E. 
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Use the slope and y-intercept to graph the linear function.7x - 6y = 42
A. 
B. 
C. 
D. 
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