To calibrate the x-axis for 14C decay, you have to convert half-lives to number of years. Recall that 14C has a single half-life of 5,730 years. How many years make up 5 half-lives for 14C?
a. 3.13 * 10^-2 years
b. 1,146 years
c. 5,730 years
d. 28,650 years