Explain the charcoal from ashes found in a cave gave

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1. the initial decay rate of a nuclide is 1.77 x 10^/m. After 7.63 d, the decay rate is 1.82 x 10^11/m. What is the half-life of the isotope?

2. The charcoal from ashes found in a cave gave 3.34 14C counts per gram per minute. wood from the outer portion of a growing tree gives a comparable count of 16.0. The half life of 14C is 5700 years. How old are the ashes?

Reference no: EM13238038

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