If the Intensity Level of One Trombone Is 70 DB,calculate

question 109

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

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