The decibel, a measure of loudness, is related to the relative intensity of sound by the formula
Decibels 
(Relative intensity).
If relative intensity is divided by 1,000, how are decibels affected?
?
A. Decibels are increased by 3.
B. Decibels are decreased by 3.
C. Decibels are increased by 30.
D. Decibels are decreased by 30.
Answer: D
Mathematics
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a. ÚÄÄ 2ãûLC b. BW ÄÄ 2 c. fr ÄÄ BW d. 2ãfL
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