expand and simplify \left(4+\sqrt{2}\right)\left(6-\sqr t{2}\right) give your answer in the form of b +c \sqrt{2}

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