document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1201494>Question 1201494</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I know that we are not supposed to put 2 questions in 1 however, they both go together so I felt as though it was best to put them both on one submission. \r<BR>\n" );
document.write( "\n" );
document.write( "The radioactive isotope of potassium-42, which is vital in the diagnosis of brain tumors, has a half life of 12.36 hours.\r<BR>\n" );
document.write( "\n" );
document.write( "Determine the exponential decay model that represents the mass of potassium-42.If 500-mg of potassium-42 was taken, how much milligrams of this isotope will remain after 48 hours?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #835882 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</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=835882\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To create equation using the given half life,\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=500%281%2F2%29%5E%28x%2F12.36%29 ALIGN=MIDDLE  ALT=\"y=500%281%2F2%29%5E%28x%2F12.36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and you are asked y given x=48.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Not knowing how your computation is required to be made, you put into the Google search engine search or text field, this:  500*(0.5)^(48/12.36), and do what you need with the result.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Maybe, 34 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );