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Filename: drivers/Session_files_driver.php
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Function: require_once
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File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
The radioactive element carbon-14 has a half-life of 5750 years. A scientist determined that the bones from a mastodon had lost 78.8% of their carbon-14. How old were the bones at the time they were discovered? The bones were about how many years old? (Round ot the nearest integer as needed)