Question

Charcoal from an ancient campfire has a ratio of 14C to 12C that is one- fourth that of new wood. About how old is the charcoal? The half- life of 14C is 5730 years.
if 1/4 remains, that means 2 half-lives have passed.
10460
Charcoal from an ancient campfire has a ratio of 14C to 12C that is one-sixteenth that of new wood. About how old is the charcoal? The half-life of 14C is 5730 years.

Related Questions

1.The remains of an old campfire are unearthed and it is found that there is only 80% as much radioac... A 25.0 gram piece of charcoal is found in some ruins of an ancient city. The sample shows a 14C act... a piece of charcoal containing 25.0g of carbon is found in some remains of ancient city. The sample... Read the sentence. The campfire looked nice in the dark. Which is the best way to revise this...