The Half-Life for the Second-Order Decomposition Reaction of 0

The half-life for the second-order decomposition reaction of 0.100 M HI to form H₂ and I₂ is 286.4 hours at a particular temperature.What is the rate constant for the reaction?

A) 1.03 * 10⁶ M ^-1 s^-1
B) 9.70 * 10^-8 M^-1 s^-1
C) 3.49 * 10^-2 M ^-1 s^-1
D) 2.86 * 10⁴ M ^-1 s^-1
E) 9.70 * 10^-6 M ^-1 s^-1