document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89628>Question 89628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Sahara Desert covers about 8.3 * 10(13) square feet.<BR>\n" );
document.write( "The average depth of the sand in the Sahara Desert is 200 feet.<BR>\n" );
document.write( "A grain of sand has a volume of approximately 1.3 * 10(-9) cubic feet.\r<BR>\n" );
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document.write( "Which of the follwing  is the best estimate of the number of grains of sand in the Sahara Desert. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #804422 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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/cgi-bin/show-face.mpl?user=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=804422\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> grains of sand = (area) * (depth) / (volume of grain)\r<BR>\n" );
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document.write( "= (8.3 * 10^(13)) * (200) / (1/3 * 10^(-9))\r<BR>\n" );
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document.write( "= 4.98 * 10^(25) grains </SPAN>\n" );
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