Solve the problem.Use the formula d = 10 log (I/I0), where the loudness of a sound in decibels is determined by I, the number of watt/m2 produced by the soundwave, and  watt/m2. A certain noise produces 5.92 × 10-4 watt/m2 of power. What is the decibel level of this noise? Round to the nearest decibel.

A. 202 decibels
B. 9 decibels
C. 78 decibels
D. 88 decibels


Answer: D

Mathematics

You might also like to view...

Write the whole number in expanded form.812

A. 8000 + 100 + 20 B. 81,200 C. 200 + 10 + 8 D. 800 + 10 + 2

Mathematics

Solve the problem.A local bank advertises that it pays interest on savings accounts at the rate of 3% compounded monthly. Find the effective rate. Round answer to two decimal places.

A. 36% B. 3.40% C. 3.04% D. 3.44%

Mathematics

Find the unknown length in the right triangle. Simplify the answer if necessary.

A.
B. 6
C. 6
D. 3

Mathematics

Find the asymptote(s) of the given function.h(x) =  horizontal asymptotes(s)

A. y = 3 
B. y = 
C. y = 6 
D. None 

Mathematics