Answer:
4
Step-by-step explanation:
According to the Product-to-Power Exponential Rule [part II], whenever you raise a coefficient\variable and an exponent to another exponent, you multiply the exponents:
[tex][ {4}^{ \frac{1}{2}}]^{2} = {4}^{1} = 4[/tex]
OR
Just perform the order of operations:
[tex][ {4}^{ \frac{1}{2}}]^{2} = 2^{2} = 4[/tex]
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