document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=193616>Question 193616</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Led Zeppelin once played a concert which exerted  sounds of 10 000 times the intensity of a sound that can just be heard.  What is the loudness in decibels? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #145325 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=145325\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Led Zeppelin once played a concert which exerted sounds of 10 000 times the intensity of a sound that can just be heard. What is the loudness in decibels?<BR>\n" );
document.write( "dB = 10log(10000)<BR>\n" );
document.write( "dB = 10(4) = 40<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Answer : 40 dB<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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