4465/1000 in simplest form?

How can you decide witch operations to use to slice a two step equation

41/17 as a decimal rounded to the nearest hundredth

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