(a) What is the intensity (in W/m²) of a sound that has a level 3.00 dB lower than a 5.17 × 10−9 W/m² sound? W/m² (b) What is the intensity (in W/m²) of a sound that is 10.0 dB higher than a 5.17 × 10−9 W/m² sound? W/m²
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