please answer this question above

Answer:
2
Step-by-step explanation:
whatever number to the zero power equals 1
for example
192 to the zero power equals 1
7,000332 to the zero power equals 1
x to the zero power equals 1
so 1+1+1+1=4
(4)^1/2
2
i dk who made that rule its a little confusing but whatever