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The half-life of carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only 77% of the

The half-life of carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only 77% of the carbon-14 expected in living matter, when did t tree die? The tree died about years ago.

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