Posted by **sue moore** on Sunday, February 17, 2013 at 4:59pm.

a scientist found a fossilized bison. using Carbon-14 dating, she found that the fossil was about 45,840 years old. Carbon-14 has a half-life of 5730 years. how many half-lives have passed?

- physical science -
**Kaosi**, Monday, September 21, 2015 at 7:36pm
45840/5730= 8

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