Situation: Find the substance's half-life, in days. Round your answer to the nearest tenth. A 10 gram sample of a substance that's used to detect explosives has a k-value of 0.1356. Enter the correct answer. N = Noekt DONE No = initial mass (at time t = 0) OOO OO ? N = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days​