3x3x3x3

3x3x3x3, often referred to as 3 to the power of 4 or 3^4, is a mathematical expression representing the number obtained by multiplying 3 by itself four times. This calculation results in the value 81. The expression can be broken down as 3 * 3 * 3 * 3. The first multiplication of 3 * 3 yields 9. Then, multiplying that result by 3 (9 * 3) gives 27. Finally, multiplying 27 by 3 (27 * 3) produces the final answer of 81. This concept is a fundamental example of exponentiation, a core operation in arithmetic and algebra. It is distinct from expressions like 3+3+3+3, which equals 12, or permutations involving four instances of the number 3 in different arrangements. The notation 3^4 is a shorthand way to represent this repeated multiplication. Understanding exponentiation is crucial for various mathematical fields, including calculus, statistics, and computer science.