Select the correct answer from each drop-down menu. Jill uses two methods to find the volume of this rectangular prism. First, she packs it with unit cubes. How many unit cubes does it take to fully pack the rectangular prism? 36 unit cubes Then, she multiplies the side lengths. Which expression shows her multiplication? 3 units * 5 units * 3 units What is the product of her multiplication expression? 30 cubic units Is the volume the same or different when calculated with these two methods? Different