document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1189653>Question 1189653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, any chance someone could help me out with this problem? \r<BR>\n" );
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document.write( "https://drive.google.com/file/d/1VjNtgtaZvxc99w-Ig2_eRBl6guaa_qrw/view?usp=sharing </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #821070 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=821070\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the formula is e(m) = (10^1.5)^m.<BR>\n" );
document.write( "e(m) is the energy in kilowatt hours.<BR>\n" );
document.write( "m is the magnitude.\r<BR>\n" );
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document.write( "(8a)<BR>\n" );
document.write( "formula is e(9) = (10^1.5)^9 = 10^(1.5*9) = 3.16227766 * 10^13.<BR>\n" );
document.write( "round to 3.2 * 10^13.\r<BR>\n" );
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document.write( "(8b)<BR>\n" );
document.write( "formula is e(6.9) = (10^1.5)^6.9 = 10^(1.5*6.9) = 2.238721139 * 10^10.<BR>\n" );
document.write( "round to 2.2 * 10^10.\r<BR>\n" );
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document.write( "(8c)<BR>\n" );
document.write( "(3.16227766 * 10^13) / (2.238721139 * 10^10) = 1412.537545.<BR>\n" );
document.write( "round to 1413.\r<BR>\n" );
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document.write( "(8d)<BR>\n" );
document.write( "earthquake released 3,981,000 kilowatts of energy.<BR>\n" );
document.write( "formula of e(m) = (10^1.5)^m becomes:<BR>\n" );
document.write( "3,981,000 = (10^1.5)^m = 10^(1.5*m)<BR>\n" );
document.write( "take the log of both sides of the equation to get:<BR>\n" );
document.write( "log(3,981,000) = log(10^(1.5*m))<BR>\n" );
document.write( "this becomes:<BR>\n" );
document.write( "log(3,981,000) = 1.5 * m * log(10) which becomes:<BR>\n" );
document.write( "log(3,981,000) = 1.5 * m<BR>\n" );
document.write( "solve for m to get:<BR>\n" );
document.write( "m = log(3,981,000) / 1.5 = 4.399994785.<BR>\n" );
document.write( "round to 4.4.\r<BR>\n" );
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document.write( "let me know if you have any questions.\r<BR>\n" );
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document.write( "theo\r<BR>\n" );
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document.write( " </SPAN>\n" );
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