Sasha has to place the following numbers in numerical order on a number line. -3,7 3/8 -1, 1 2/5, 2.9
Which number line correctly displays each number?

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