Statement 3a given the following statement: [-h v ( e d )] = [(h.-e) v (h. - d)] statement 3a is:
a. contingent
b. inconsistent
c. valid
d. tautologous
e. self - contradictory

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