Suppose you do not have ten digits, as we usually do, but only two: 1 and 0. how many two-digit numbers are there with 0 and 1 only?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) 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