Why is 5 to the third power read as 5 cubed?

5 to the third power is read as "5 cubed" because the term "cubed" refers to raising a number to the power of three, which is analogous to calculating the volume of a cube. In geometry, a cube has three equal dimensions (length, width, height), and thus its volume is determined by multiplying the length of one side by itself three times. Therefore, "cubed" symbolizes this three-dimensional aspect of the exponent.