document.write( "Question 1147516: Please help me solve this problem:\r
\n" ); document.write( "\n" ); document.write( "The radioactive element carbon-14 has a half-life of 5750 years. A scientist determined that the bones from a mastodon had lost 50.5% of their carbon-14. How old were the bones at the time they were discovered? \n" ); document.write( "

Algebra.Com's Answer #768847 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "Since 50.5% of the radioactive C14 left, it means that, with the good precision, the age of the bones was \r\n" );
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document.write( "about half-life time, i.e. about 5750 years, when the measuring was made.\r\n" );
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