document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=277207>Question 277207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sales of a mature product (one which has passed its peak) will decline by the function.  S(t) = S0e^(-at), where t is time in years. Find the sales after 25 years if \r<BR>\n" );
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document.write( "a=0.2 and S0=94,600\r<BR>\n" );
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document.write( "I tried it in this form<BR>\n" );
document.write( "94600e^(0.2*25)\r<BR>\n" );
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document.write( "And my numbers aren't coming up right in the calculator. Did I not set them up right, or is there a specific way to type this correctly. Please help I really want to understand this!!\r<BR>\n" );
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document.write( "Answer is 637<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #201867 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=201867\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the exponent in the equation is negative, right?\r<BR>\n" );
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document.write( "94600 * e^(-5) = 637 (approx)\r<BR>\n" );
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document.write( "e is the base for natural logarithms ___ it should be a key on your calculator </SPAN>\n" );
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