2024年7月28日 · Math power, or exponent, denotes how many times a base number is multiplied by itself, shown as a superscript to the right of the base. For example, x² means x × x. Similarly, 4² = 4 × 4, and so forth. For an exponent of 3, as in 5³, the result is 5 × 5 × 5. To perform math power calculation by hand, consider these steps: