An Archaeologist Finds the 14C in a Sample of 2

Multiple Choice

An archaeologist finds the 14C in a sample of 2.10 g of material to be decaying at 107 Bq. A modern 1.00-g sample of the same material decays at 151 Bq,and assume this rate has also held in
The past. The half-life of 14C is 5730 years. How old is the sample?

A) 8980 years
B) 8530 years
C) 6230 years
D) 17,000 years