document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=212901>Question 212901</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0495114502/algebrahomeworkh>Chemistry & Chemical Reactivity</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A compact disk has a diameter of 11.8 cm. What is the surface area of the disk in square centimeters? In square meters? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160806 by </B><A HREF=/tutors/aboutme.mpl?userid=drj><B>drj(1380)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drj><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=drj><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=160806\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A compact disk has a diameter of 11.8 cm. What is the surface area of the disk in square centimeters? In square meters?\r<BR>\n" );
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document.write( "Step 1.  The surface area is given as \r<BR>\n" );
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document.write( "Surface area = pi * (radius)^2 = pi * (diameter/2)^2 = pi * (diameter)^2/4\r<BR>\n" );
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document.write( "Step 2.  Let S = surface area, d= diameter and pi=3.14159\r<BR>\n" );
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document.write( "Step 3.  S = pi * (11.8)^2/4 = 109.4 cm^2  (Answer in square centimeters)\r<BR>\n" );
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document.write( "Step 4.  Since 1 m = 100 cm, then   \r<BR>\n" );
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document.write( "(1 m)^2 = (100 cm)^2 = 10000 cm^2\r<BR>\n" );
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document.write( "Step 5.  (109. cm^2)(1 m^2)/10000 cm^2)= (1.09/100) m^2 = 0.0109 m^2 (Answer in square meters)\r<BR>\n" );
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document.write( "I hope the above steps were helpful.\r<BR>\n" );
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document.write( "For Step-By-Step free videos in Introduction to Algebra, please visit \r<BR>\n" );
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document.write( "http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit \r<BR>\n" );
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document.write( "http://www.FreedomUniversity.TV/courses/Trigonometry.\r<BR>\n" );
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document.write( "Good luck in your studies!\r<BR>\n" );
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document.write( "Respectfully,<BR>\n" );
document.write( "Dr J\r<BR>\n" );
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document.write( " </SPAN>\n" );
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