# An archaeologist graduate student found a leg bone of a large animal during the building of...

###### Question:

An archaeologist graduate student found a leg bone of a large animal during the building of a new science building . The bone had a carbon-14 decay rate of 14.8 disintegration per minute per gram of carbon .Living organisms have a decay rate of 15.3 disintegrations per minute .How old is the bone? (a) 53.3 years. (b), 25 years. (c), 111years. (d), 83 years. (e), 275 years.

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