belladaviau4720 belladaviau4720 08-01-2024 Chemistry contestada What is the half-life of iron-59 if a sample with an initial decay rate of 16,800 disintegrations per min decays at a rate of 10,860 disintegrations per min after 28 days?a. Use the exponential decay formulab. 14 daysc. 28 daysd. 56 days