document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129328>Question 1129328</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The half-life of Calcium-47 is 4.536 days. What is the daily decay rate? Give your answer in both decimal and percent form.\r<BR>\n" );
document.write( "\n" );
document.write( "a) As a decimal, the daily decay rate is _____? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745888 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</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=745888\">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=y=p%2Ab%5Ex ALIGN=MIDDLE  ALT=\"y=p%2Ab%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "y, amount present after x days<BR>\n" );
document.write( "p, initial amount\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=p%2Ab%5Ex ALIGN=MIDDLE  ALT=\"y=p%2Ab%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >(\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Half-life in days, 4.536<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2=b%5E4.536 ALIGN=MIDDLE  ALT=\"1%2F2=b%5E4.536\"   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%281%2F2%29%29=4.536%2Alog%28%28b%29%29 ALIGN=MIDDLE  ALT=\"log%28%281%2F2%29%29=4.536%2Alog%28%28b%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%281%2F2%29%29%2F4.536 ALIGN=MIDDLE  ALT=\"log%28%28b%29%29=log%28%281%2F2%29%29%2F4.536\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=0.8583 ALIGN=MIDDLE  ALT=\"b=0.8583\"   DISABLED_style= \"max-width:90%; height:auto;\" >, each day 0.8583 fraction is retained;  0.1417 fraction is decayed.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "14.17% decay per day. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );