Harold has four classes each school morning each class is an hour long and there is 10 minutes between classes the first class starts at 8 am what class is the fourth class end

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