Question

if an organism contains 600g of carbon- 14 in its tissues when it dies, how many grams of carbon-14 would remain after 5 half lives show your work to earn full credit

Answer 1

The half-life of carbon-14 is 5730 years, so after 5 half-lives, 5*5730 = 28,650 years will have passed.

The decay of carbon-14 follows an exponential decay curve, so after 5 half-lives, the amount of carbon-14 left will be 1/32 of the original amount.

Therefore, after 5 half-lives, the amount of carbon-14 left will be 1/32 * 600g = 18.75g.

This is the final answer.

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