document.write( "Question 82639This question is from textbook
\n" ); document.write( ": The decibel level of sound is given by D=10 log{I/10^-12}, where I is the sound intensity measuered in watts per square meter. Find the decibel level of a whisper at an intensity of 5.4x10^-10 watts per square meter. \n" ); document.write( "

Algebra.Com's Answer #59233 by josmiceli(19441) $\"\"$ $\"About$

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$\"D+=+10%2Alog%28I+%2F+10%5E-12%29\"$
\n" ); document.write( " $\"I+=+5.4%2A10%5E%28-10%29\"$
\n" ); document.write( " $\"D+=+10%2Alog%285.4%2A10%5E%28-10%29+%2F+10%5E%28-12%29%29\"$
\n" ); document.write( " $\"D+=+10%2Alog%285.4%2A10%5E2%29\"$
\n" ); document.write( " $\"D+=+10%2A%28log%285.4%29+%2B+2%29\"$
\n" ); document.write( "Note that $\"log%2810%5E2%29+=+2\"$
\n" ); document.write( " $\"D+=+10%2A%28.732+%2B+2%29\"$
\n" ); document.write( " $\"D+=+27.32\"$ answer \n" ); document.write( "

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