If a room has a length of 4 meters, width of 3 meters, and height of 2.5 meters, what is its volume? a 30 cubic meters b 25 cubic meters c 9 cubic meters d 12 cubic meters e 20 cubic meters
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To calculate the volume of the room, multiply the length, width, and height together. So, \( 4 \, \text{meters} \times 3 \, \text{meters} \times 2.5 \, \text{meters} = 30 \, \text{cubic meters} \). Therefore, the volume of the room is **30 cubic meters**, making the correct answer **a**. Understanding volume calculations can be super useful—not just for room measurements! For example, if you're planning to fill that room with furniture or decorations, knowing the volume will help you decide how much space you have to work with. Plus, think about how many boxes you can fit in—makes packing a breeze!