document.write( "Question 1196893: The radioactive isotope carbon 14 used to date fossils decays with an annual rate of about 0.000124. If a fossil is found which originally has 2 mg of carbon 14, and it now has 0.18 mg, how old is it? \n" ); document.write( "

Algebra.Com's Answer #829933 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "For your information and for your education\r
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document.write( "    It is well known fact form Science that ratio of masses of radioactive Carbon-14\r\n" );
document.write( "    to the regular stable Carbon-12 in any live organic organism is about  :.\r\n" );
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document.write( "    Therefore, if the mass of radioactive Carbon-14 in a sample is 2 mg, it \r\n" );
document.write( "    means that the regular Carbon-12 in the same sample has the mass\r\n" );
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document.write( "         mg =  grams =  kilograms =  metric tons = 2000 metric tons.\r\n" );
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document.write( "    2000 metric tons is the mass of fully loaded freight train consisting of 100 wagons, \r\n" );
document.write( "    or is the mass of two  fully loaded freight trains consisting of 50 wagons each.\r\n" );
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\n" ); document.write( "\n" ); document.write( "About these facts, see this Wikipedia article\r
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\n" ); document.write( "\n" ); document.write( "https://en.wikipedia.org/wiki/Carbon-14\r
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\n" ); document.write( "\n" ); document.write( "I want to say that, when somebody starts create his or her own problems in Math,\r
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\n" ); document.write( "\n" ); document.write( "Otherwise, the whole ugly picture is obtained.\r
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\n" ); document.write( "\n" ); document.write( "Ugly picture to such a degree that spreading/distribution such problems in the Internet becomes anti-pedagogic.\r
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