OG详解-OG9 数学2 Q23

Choice D is correct. Since the number of yards in 1 mile is 1,760, the number of square yards in 1 square mile is (1,760)(1,760) = 3,097,600. Therefore, if the area of the town is 4.36 square miles, it is 4.36(3,097,600) = 13,505,536, in square yards.
Choice A is incorrect and may result from dividing the number of yards in a mile by the square mileage of the town. Choice B is incorrect and may result from multiplying the number of yards in a mile by the square mileage of the town. Choice C is incorrect and may result from dividing the number of square yards in a square mile by the square mileage of the town.