What is the decay constant for C-14 ? Carbon 14 has a half-life of 5730 years?
a. 1.2 × 10⁻⁴ s⁻¹
b. 5.3 × 10⁻⁵ s⁻¹
c. 1.7 × 10⁻¹² s⁻¹
d. 3.8 × 10⁻¹² s⁻¹
e. 5.5 × 10⁻¹² s⁻¹