document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174968>Question 1174968</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that the half-life of a substance is 250 years. If there were initially 100𝑔<BR>\n" );
document.write( "of the substance, (a) give an exponential model for the situation, (b) how much<BR>\n" );
document.write( "will remain after 500 years? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #800479 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</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=800479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x, how many years<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=100%281%2F2%29%5E%28x%2F250%29 ALIGN=MIDDLE  ALT=\"y=100%281%2F2%29%5E%28x%2F250%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >   y=100(1/2)^(x/250)\r<BR>\n" );
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document.write( "500 years is two half-lives, so you are looking for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=100%281%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"y=100%281%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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