Find the volume of a cube whose edge length is 5 cm.

Answer: 125 cm ^ 3.
Explanation of the solution to the problem: to solve this problem, you must use the following formula:
V = a * b * c, where V is the volume of the rectangular parallelepiped, a is the length of the parallelepiped, b is the width of the parallelepiped, c is the height of the parallelepiped.
A cube is a rectangular parallelepiped whose length, width and height are equal, that is, a = b = c = 5 cm.
Substituting the values known from the condition of the problem into the formula, we obtain:
V = a * b * c = 5 * 5 * 5 = 125 cm ^ 3.