document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178980>Question 1178980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 24 grams of a radioactive isotope whose half-life is 1430 years decays according to the model <BR>\n" );
document.write( "A = 24(1/2) ^ (t/1430) where A is the amount remaining after t years. How many years will it take <BR>\n" );
document.write( "until 20 grams remain? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #808463 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=808463\">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=20=24%281%2F2%29%5E%28t%2F1430%29 ALIGN=MIDDLE  ALT=\"20=24%281%2F2%29%5E%28t%2F1430%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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