document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421271>Question 421271</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need your help with this problem!\r<BR>\n" );
document.write( "\n" );
document.write( "Use a graphing calculator to solve the following equation for x.<BR>\n" );
document.write( "2^x=19\r<BR>\n" );
document.write( "\n" );
document.write( "The solution set is<BR>\n" );
document.write( "(Simplify your answer. Type an integer or a decimal rounded to the nearest thousandth.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294205 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=294205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5Ex=19 ALIGN=MIDDLE  ALT=\"2%5Ex=19\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "This equation can be written using a logarithm (base 2):\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log2%2819%29+=+x ALIGN=MIDDLE  ALT=\"log2%2819%29+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "But base two logarithms we can convert to a base 10 logarithm:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log2%2819%29=++log%2819%29%2Flog%282%29 ALIGN=MIDDLE  ALT=\"log2%2819%29=++log%2819%29%2Flog%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Our equation then becomes:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+log%2819%29+%2F+log%282%29 ALIGN=MIDDLE  ALT=\"x+=+log%2819%29+%2F+log%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1.279%2F0.301 ALIGN=MIDDLE  ALT=\"x+=+1.279%2F0.301\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4.249 ALIGN=MIDDLE  ALT=\"x=4.249\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );