15sunshine 15sunshine

31-07-2016
Mathematics

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The equation for decibels and sound intensity is D=10log(sub 10) I/I(sub0) where D is decibels.

I(sub0)= 10^-12

I= 10^11

Use properties of exponents and logs to find the decibels.

Respuesta :

konrad509 konrad509

31-07-2016

[tex]D=10\log\dfrac{I}{I_0}\\\\ D=10\log\dfrac{10^{11}}{10^{-12}}\\ D=10\log10^{23}\\ D=10\cdot23=\\ D=230[/tex]

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