A Cloth Fragment Is Found in an Ancient Tomb

Multiple Choice

A cloth fragment is found in an ancient tomb.It contains 78% of the carbon-14 (half-life is 5700 years) that it is assumed to have had initially.How old is the cloth?

A) 15,900 years
B) 16,400 years
C) 18,900 years
D) 15,800 years
E) none of these