A Wooden Mast Salvaged from a Shipwreck Contains $95.5 \%$ Of the Carbon-14 That Is Present in Living Trees

question 22

Essay

A wooden mast salvaged from a shipwreck contains $95.5 \%$ of the carbon-14 that is present in living trees. How long ago was the ship built? (The half-life of carbon-14 is $5730$ years.) 

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Definitions:

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