IL = 10 log(I/10-12)

75 = 10 log(I/10-12)

log(I/10-12) = 7.5

I/10-12 = 3.16X107

I = 3.16X10-5 W/m2

P = IA = 3.16X10-5 X 2 = 6.32X10-5 W

Answer is A

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