document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=978507>Question 978507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a recent year, 6.5x10^8 metric tons of wheat were produced in the world. One metric ton is equivalent to 1000 kilograms. A grain of wheat weighs about .000008 kilograms. Find the number of grains of wheat that were produced in the world.          \r<BR>\n" );
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document.write( "Sorry, i didn't know what category to place it in! But i think it has something to do with scientific notation. Thanks!! :D </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599886 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=599886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a unit conversion problem.\r<BR>\n" );
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document.write( "Given: 6.5 x 10^8 metric tons\r<BR>\n" );
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document.write( "Abbreviations for units:<BR>\n" );
document.write( "KG = kilogram<BR>\n" );
document.write( "MT = metric ton\r<BR>\n" );
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document.write( "Conversion factor:  1000 KG/1 MT\r<BR>\n" );
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document.write( "Multiply by the conversion factor to go from MT to KG\r<BR>\n" );
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document.write( "(6.5 x 10^8 MT) * (1000 KG/1 MT) = (6.5 x 10^8)*(1 x 10^3) = 6.5 x 10^11 KG\r<BR>\n" );
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document.write( "Notice how the MT units cancel\r<BR>\n" );
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document.write( "So, 6.5 x 10^8 MT = 6.5 x 10^11 KG\r<BR>\n" );
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document.write( "-------------------------------------------------------\r<BR>\n" );
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document.write( "Now use the fact that \"A grain of wheat weighs about .000008 kilograms.\" to do another conversion\r<BR>\n" );
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document.write( "Conversion factor:  1 grain/0.000008 KG\r<BR>\n" );
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document.write( "Multiply by the conversion factor to go from KG to number of grains\r<BR>\n" );
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document.write( "(6.5 x 10^11 KG)*(1 grain/0.000008 KG)<BR>\n" );
document.write( "(6.5 x 10^11 KG)*(1 grain/8*10^(-6) KG)<BR>\n" );
document.write( "(6.5/8) x (10^11/10^(-6)) grains<BR>\n" );
document.write( "(0.8125) x 10^(11-(-6)) grains<BR>\n" );
document.write( "(0.8125) x 10^(11+6) grains<BR>\n" );
document.write( "(8.125 x 10^(-1)) x 10^(17) grains<BR>\n" );
document.write( "8.125 x 10^(-1+17) grains<BR>\n" );
document.write( "8.125 x 10^(16) grains\r<BR>\n" );
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document.write( "The answer in scientific notation is <font color=\"red\">8.125 x 10^(16) grains</font> of wheat\r<BR>\n" );
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document.write( "Expand that all out, to write into standard form, to get <font color=\"red\">81,250,000,000,000,000 grains</font> (8125 followed by 13 zeros) of wheat\r<BR>\n" );
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document.write( "Note: In words, that large number above is <font color=\"red\">eighty-one quadrillion, two hundred fifty trillion</font> </SPAN>\n" );
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