document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1057416>Question 1057416</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the half life of radium is 1690 years. if 70 grams are present now, how much will be present in 450 years?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #672478 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=672478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  the half life of radium is 1690 years. if 70 grams are present now, how much will be present in 450 years?<BR>\n" );
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document.write( "A(450) = 70*(1/2)^(450/1690) = 70*0.83 = 58.2 grams<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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