Question

Radiocarbon dating techniques are used to determine that a very old piece of bone emits emits about 29 B-particles per sec. If a similarly-sized sample of modern bone emits about 928 B-particles per sec, and the half-life of 14C is 5730 years, approximately how old is this bone fragment (in years)? Submit Answer Tries 0/99

Answer 1

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River +42= 5730 years. Rate constant k = 1na t/ = 102 e 102x10 year 5730 year Rate = 928 /sec Rate = 291 sec. Initial Final - = - we know R = Roekt 29/sec = 928/sec é o year t e-102x10-17 O: 031 = e year e-lozxon Yeart Taking in 3.46 on both slove = 1.2x10 year xt = t = 2.9x10 9 year.

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