Question: A single trombone is sounding with a sound intensity level of 68 dB. When joined by three other identical trombones playing the same note at
A single trombone is sounding with a sound intensity level of 68 dB. When joined by three other identical trombones playing the same note at the same volume, the sound intensity level will be

How Did I Do? A single trombone is sounding with a sound intensity level of 68 dB. When joined by three other identical trombones playing the same note at the same volume, the sound intensity level will be B = Number dB
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