. Geochronology Laboratories has asked you to re-calculate an age date on an igneous rock. Of the original 10g of...

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. Geochronology Laboratories has asked you to re-calculate an age date on an igneous rock. Of the original 10g of radioactive U238 in the rock, only 1.25g remains. The half life of U238 is 100 million years. What is the age of the rock? Show your work for full credit.
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