Volume is a three-dimensional scalar quantity. The volume of foam that is needed in cubic inches is 83.
What is volume?
A volume is a scalar number that expresses the amount of three-dimensional space enclosed by a closed surface.
The volume of foam needed is the difference between the volume of the cube and the volume of the square pyramid. Therefore,
The volume of cube = a³ = 5³ = 125 in³
The volume of Pyramid = (1/3)×blh = (1/3)×5×5×5 = 41.667
The volume of foam needed = 125 in³-41.667 in³ = 83.3334 in³ ≈ 83 in³
Hence, the volume of foam that is needed in cubic inches is 83.
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