document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=511674>Question 511674</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that:-<BR>\n" );
document.write( "log800base10=2+3log2base10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342355 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=342355\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove that:-<BR>\n" );
document.write( "log800base10=2+3log2base10<BR>\n" );
document.write( "**<BR>\n" );
document.write( "Starting with right side (log is base 10)<BR>\n" );
document.write( "2+3log2base10<BR>\n" );
document.write( "2=log 100<BR>\n" );
document.write( "3log2=log2^3=log8<BR>\n" );
document.write( "log 100+log8=log(100*8)=log(800)  (multiplication rule)<BR>\n" );
document.write( "verified: right side=left side </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );