document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=93116>Question 93116</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i evaluate the following:\r<BR>\n" );
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document.write( "log3 81<BR>\n" );
document.write( "log4 256<BR>\n" );
document.write( "log2 (1/32)<BR>\n" );
document.write( "log5 1<BR>\n" );
document.write( "log3 (-1)\r<BR>\n" );
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document.write( "Please help<BR>\n" );
document.write( "thanks<BR>\n" );
document.write( "Lucy </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #67750 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=67750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do i evaluate the following?<BR>\n" );
document.write( "Comment: log is just another name for \"exponent\" or \"power\"<BR>\n" );
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document.write( "log3 81<BR>\n" );
document.write( "Let the answer be \"x\"<BR>\n" );
document.write( "Then x= log3 81<BR>\n" );
document.write( "So x is the exponent of 3 that gives you 81<BR>\n" );
document.write( "3^x = 81<BR>\n" );
document.write( "3^x = 3^4<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "log3 81 = 4\r<BR>\n" );
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document.write( "---------------------<BR>\n" );
document.write( "log4 256<BR>\n" );
document.write( "Similarly <BR>\n" );
document.write( "x = log4 256<BR>\n" );
document.write( "4^x = 256<BR>\n" );
document.write( "4^x = 4^4<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "log2 (1/32)<BR>\n" );
document.write( "2^x = (1/32)<BR>\n" );
document.write( "2^x = 2^-5<BR>\n" );
document.write( "x = -5<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "log5 1<BR>\n" );
document.write( "5^x = 1<BR>\n" );
document.write( "5^x = 5^0<BR>\n" );
document.write( "x=0<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "log3 (-1)<BR>\n" );
document.write( "3^x = -1<BR>\n" );
document.write( "No such x exists.<BR>\n" );
document.write( "No solution.<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( "-------------- </SPAN>\n" );
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