Question: A bone fragment found in a cave believed to have been inhabited by early humans contains 0.21 times as much l4C as an equal amount

A bone fragment found in a cave believed to have been inhabited by early humans contains 0.21 times as much l4C as an equal amount of carbon in the atmosphere when the organism containing the bone died. (See Example 43.9 in Section 43.4) Find the approximate age of the fragment.

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