How do i list ratios from least to greatest quickly?

What are different types of statistical programs

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt