The expression "1*2^2" represents a mathematical calculation. In this expression, the "^" symbol indicates exponentiation, meaning that the number 2 is raised to the power of 2. This means you multiply 2 by itself, resulting in 4. Next, the expression includes the multiplication of 1 by the result of the exponentiation. Since multiplying any number by 1 does not change its value, the final result of "1*2^2" is simply 4. Thus, the entire expression evaluates to 4, demonstrating basic arithmetic operations involving multiplication and exponentiation.