The expression "3^3" means "3 cubed," which is a way to represent multiplying the number 3 by itself three times. In mathematical terms, this can be written as 3 × 3 × 3. When you perform this multiplication, you first calculate 3 × 3, which equals 9, and then multiply that result by 3 again, giving you a final answer of 27. Cubing a number is a specific case of exponentiation, where the exponent indicates how many times to use the base number in multiplication. In this case, the base is 3, and the exponent is 3. Cubing is commonly used in various fields, including geometry and science, to calculate volumes and other measurements.