Penjelasan:
I = 10^-9 W/m²
Io = 10^-12 W/m²
TI = 10 . log (I/Io)
TI = 10 . log(10^-9/10^-12)
TI = 10 . log(10^(-9-(-12)))
TI = 10 . log(10^3)
TI = 10 . 3
TI = 30 desibel Jawabannya D
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Penjelasan:
I = 10^-9 W/m²
Io = 10^-12 W/m²
TI = 10 . log (I/Io)
TI = 10 . log(10^-9/10^-12)
TI = 10 . log(10^(-9-(-12)))
TI = 10 . log(10^3)
TI = 10 . 3
TI = 30 desibel Jawabannya D