The Half-Life of ¹⁴C Is 5730 Years

Multiple Choice

The half-life of ¹⁴C is 5730 years. Archaeologists dig up a seed that contains 0.25 parts per trillion ¹⁴C. If it originally contained 1 part per trillion ¹⁴C, how old is the archaeological specimen?

A) 11,460 years
B) 5730 years
C) 17,190 years
D) 22,920 years
E) 28,650 years