Question

the amount of carbon 14 remaining in a sample that originally contained a grams is given by c(t) = a(0.999879)t where t is time in years. if tests on a fossilized skull reveal that 99.7% of the carbon 14 has decayed, how old, to the nearest 1,000 years, is the skull?

Answer 1

The awnser is about 300 years old.