The equation "5 cm × 3 cm × 2 cm = 30 cm³" represents the calculation of the volume of a rectangular prism. In this case, the dimensions of the prism are 5 cm in length, 3 cm in width, and 2 cm in height. To find the volume, you multiply these three measurements together. The result, 30 cm³, indicates the amount of space inside the rectangular prism. Volume is a measure of how much three-dimensional space an object occupies, and it is commonly used in various fields, including mathematics, science, and engineering.