document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102943>Question 1102943</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A scientist begins with 100 milligrams of a radioactive substance that decays exponentially. After 38 hours, 50 mg of the substance remains. How many milligrams will remain after 54 hours? (Round your answer to two decimal places.)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #717648 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39633)</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=717648\">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=100%2Ab%5E38=50 ALIGN=MIDDLE  ALT=\"100%2Ab%5E38=50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E38=%281%2F2%29 ALIGN=MIDDLE  ALT=\"b%5E38=%281%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28%28b%5E38%29%29=log%28%281%2F2%29%29 ALIGN=MIDDLE  ALT=\"log%28%28b%5E38%29%29=log%28%281%2F2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=38%2Alog%28%28b%29%29=-log%28%282%29%29 ALIGN=MIDDLE  ALT=\"38%2Alog%28%28b%29%29=-log%28%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28%28b%29%29=-log%28%282%29%29%2F38 ALIGN=MIDDLE  ALT=\"log%28%28b%29%29=-log%28%282%29%29%2F38\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28%28b%29%29=-0.0079218 ALIGN=MIDDLE  ALT=\"log%28%28b%29%29=-0.0079218\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5E%28-0.0079218%29=b ALIGN=MIDDLE  ALT=\"10%5E%28-0.0079218%29=b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=0.9819 ALIGN=MIDDLE  ALT=\"b=0.9819\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=100%2A%280.9819%29%5Ex%29 ALIGN=MIDDLE  ALT=\"highlight%28y=100%2A%280.9819%29%5Ex%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Question asks, what is y when x is 54? </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );