If the Intensity Level of One Trombone Is 70

question 11

Multiple Choice

If the intensity level of one trombone is 70 dB, calculate a reasonable estimate for the intensity level of 76 trombones all playing simultaneously in the same place?

• A) 70 dB
• B) 146 dB
• C) 89 dB
• D) 82 dB
• E) 76 dB

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