document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=55177>Question 55177</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ME:<BR>\n" );
document.write( "The amount of a radioactive tracer remaining after t days is given by A=Ao e^-0.18t where Ao is the starting amount at the beginning of the time period. How much should be acquired now to have 40 grams remaining after 3 days? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37438 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=37438\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The amount of a radioactive tracer remaining after t days is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28A=Aoe%5E%28-0.18t%29%29 ALIGN=MIDDLE  ALT=\"highlight%28A=Aoe%5E%28-0.18t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where Ao is the starting amount at the beginning of the time period. How much should be acquired now to have 40 grams remaining after 3 days?<BR>\n" );
document.write( "A=40<BR>\n" );
document.write( "t=3<BR>\n" );
document.write( "We're solving for Ao.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40=Aoe%5E%28-.18%2A3%29 ALIGN=MIDDLE  ALT=\"40=Aoe%5E%28-.18%2A3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40=Aoe%5E%28-.54%29 ALIGN=MIDDLE  ALT=\"40=Aoe%5E%28-.54%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40=Ao%2A.5827482524 ALIGN=MIDDLE  ALT=\"40=Ao%2A.5827482524\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Scientific Calculator required for that.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2F.5827482524=Ao%2A.5827482524%2F.5827482524 ALIGN=MIDDLE  ALT=\"40%2F.5827482524=Ao%2A.5827482524%2F.5827482524\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=68.64027449=Ao ALIGN=MIDDLE  ALT=\"68.64027449=Ao\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Round off to whatever your teacher asks for.<BR>\n" );
document.write( "Happy Calculating!!!<BR>\n" );
document.write( " </SPAN>\n" );
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