document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118557>Question 1118557</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the half-life of a material that decays exponentially at the rate of 3.54% per year? Using exponential decay formula N(t)= Noe^(-kt) ? Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733911 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</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=733911\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One year of time pass<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Ae%5E%28-k%2A1%29=1-0.0354 ALIGN=MIDDLE  ALT=\"1%2Ae%5E%28-k%2A1%29=1-0.0354\"   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%28e%5E%28-k%29%29=ln%280.9646%29 ALIGN=MIDDLE  ALT=\"ln%28e%5E%28-k%29%29=ln%280.9646%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=-k=-0.03604 ALIGN=MIDDLE  ALT=\"-k=-0.03604\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The model equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28N%28t%29=N%5Bo%5De%5E%28-0.03604t%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28N%28t%29=N%5Bo%5De%5E%28-0.03604t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "FINDING HALF-LIFE\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e%5E%28-0.03604t%29=0.5%2F1 ALIGN=MIDDLE  ALT=\"e%5E%28-0.03604t%29=0.5%2F1\"   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=e%5E%28-0.03604t%29=0.5 ALIGN=MIDDLE  ALT=\"e%5E%28-0.03604t%29=0.5\"   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%28e%5E%28-0.03604t%29%29=ln%280.5%29 ALIGN=MIDDLE  ALT=\"ln%28e%5E%28-0.03604t%29%29=ln%280.5%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= ALIGN=MIDDLE  ALT=\"\"   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=t=ln%280.5%29%2F%28-0.03604%29 ALIGN=MIDDLE  ALT=\"t=ln%280.5%29%2F%28-0.03604%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=t=highlight%2819.23%29 ALIGN=MIDDLE  ALT=\"t=highlight%2819.23%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  or  about 19 years 3 months </SPAN>\n" );
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