What are the sound intensity levels for sound waves of intensity (a) 3.0 × 10(-6) W/m2 and (b) _____?
a) (a) 90 dB, (b) 100 dB
b) (a) 70 dB, (b) 80 dB
c) (a) 100 dB, (b) 110 dB
d) (a) 80 dB, (b) 90 dB