A Cloth Fragment Is Found in an Ancient Tomb $\quad 10,600$

Multiple Choice

A cloth fragment is found in an ancient tomb.It contains 63% of the carbon-14 (half-life is 5700 years) that it is assumed to have had initially.How old is the cloth?

A) $\quad 10,600$ years
B) $\quad 8,200$ years
C) $\quad 9,000$ years
D) $\quad 8,600$ years
E) none of these