document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159088>Question 1159088</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A wooden artifact from an ancient tomb contains 35 percent of the carbon-14 that is present in living trees.\r<BR>\n" );
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document.write( "How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is 5730 years.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782077 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=782077\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=pe%5E%28kx%29 ALIGN=MIDDLE  ALT=\"y=pe%5E%28kx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%28y%29-ln%28p%29=kx ALIGN=MIDDLE  ALT=\"ln%28y%29-ln%28p%29=kx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=%28ln%28y%29-ln%28p%29%29%2Fx ALIGN=MIDDLE  ALT=\"k=%28ln%28y%29-ln%28p%29%29%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "y=1/2 and p=1 are adequate for half-life; and x is 5730 in this case.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=ln%281%2F2%29%2F5730 ALIGN=MIDDLE  ALT=\"k=ln%281%2F2%29%2F5730\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=-0.00012097 ALIGN=MIDDLE  ALT=\"k=-0.00012097\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You should be able to do the rest. </SPAN>\n" );
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