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Mathematics, 14.04.2020 20:52 ceceshelby646

A piece of charcoal is found to contain
30% of the carbon 14 that it originally
had. When did the tree die from which the
charcoal came? use 5600 years as the
half-life of carbon 14.

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A piece of charcoal is found to contain
30% of the carbon 14 that it originally
had. Whe...

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