document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=111419>Question 111419</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate\r<BR>\n" );
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document.write( "log2 16 and log7 1/49 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #81276 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=81276\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=log[a]X if X=a^y<BR>\n" );
document.write( "y=log[2]16 if  2^y=16<BR>\n" );
document.write( "2^4=16<BR>\n" );
document.write( "log[2]16=4<BR>\n" );
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document.write( "y=log[7]1/49 if 7^y=1/49<BR>\n" );
document.write( "7^-2=1/49<BR>\n" );
document.write( "log[7]1/49=-2<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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