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Helppp with math question!?
The radioactive element carbon-14 has a half life of 5750 years. A scientist determined that the bones from a mastodon had lost 54.5% of their carbon-14. How old were the bones at the time they were discovered?
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- JimLv 71 year ago
A = A₀ (1/2)^(t/h)
(1-.545) = 1* (1/2)^(t/5750)
t = 6532.35yr
Round to 3 sigfigs: t = 6,530 yr
- Anonymous1 year ago
Nearly 1 half life has passed, about 5,000 years.
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