one to the fourth power + two=
You need more information about the order of operations to be sure.
If you mean 1^4 + 2 Then you start with the exponent. 1^4 is 1. Take this and add 2. 1 + 2 = 3. 3 is the answer.
If you mean 1 ^ (4 +2) Then this is 1^6. That exponent is 1.