document.write( "Question 1131230: The loudness L(x),measured in decibels, of a sound intensity x, measured in watts per square meter, is defined as L(x)=10log(x/Io), where I0= 10^-12 watt per square meter is the least intense sound that a human can ear can detect. Determine loudness,in decibels,of a sound with an intensity of x=10^-8 watt per square meter \n" ); document.write( "

Algebra.Com's Answer #747870 by ikleyn(52794) $\"\"$ $\"About$

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document.write( "All you need to do is to substitute the value  x=  into the formula.\r\n" );
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document.write( "You will get\r\n" );
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document.write( "L = (10*log((10^(-8))/(10^(-12)) = 10*log((10^4)) = 10*4 = 40 decibels.\r\n" );
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