document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=827240>Question 827240</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The intensity of a certain noise is 5.68. How loud, in decibels, is this sound level? Use the formula D=10log (I/I0) where I0=10^-16W/cm^2.  ROund to the nearest decibel. \r<BR>\n" );
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document.write( "I worked this solution out, and got the completely wrong answer, I got -16 where the correct answer is 168.  I am really struggling with these.  Please Help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #498539 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=498539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The intensity of a certain noise is 5.68. How loud, in decibels, is this sound level? Use the formula D=10log (I/Io) where Io=10^-16W/cm^2. Round to the nearest decibel. <BR>\n" );
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document.write( "D = 10 log[5.68/10^(-16)]<BR>\n" );
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document.write( "= 10[log(5.68)-log(10^-16)]<BR>\n" );
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document.write( "= 10[0.7543 - (-16)]<BR>\n" );
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document.write( "= 10[16.7543]<BR>\n" );
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document.write( "= 167.543<BR>\n" );
document.write( "= 168 when rounded up<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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