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" );
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document.write( "a) As a decimal, the daily decay rate is _____? </SPAN>\n" );
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document.write( "If the half life is 4.536 days, then 1 day is 1/4.536 of a half life.<br><BR>\n" );
document.write( "Then the amount left after 1 day is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.5%29%5E%281%2F4.536%29 ALIGN=MIDDLE  ALT=\"%28.5%29%5E%281%2F4.536%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 0.8583 to 4 decimal places.<br><BR>\n" );
document.write( "The daily decay rate is then 1-0.8583 = 0.1417.<br><BR>\n" );
document.write( "The decay rate as a decimal is 0.1417; as a percent it is 14.17%. </SPAN>\n" );
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