Answer: 52 square feet
Explanation:
The surface area of a rectangular prism is given by :-
, where l is length , w is width and h is height of then prism.
Given: Dimensions of the rectangular prism :
2 feet by 3 feet by 4 feet
Then , the surface area of a rectangular prism will be:-

Hence, the surface area of a rectangular prism= 52 square feet