Can anyone give an explanation and answer? (Algebra 1)

Answer:
256x^2
Step-by-step explanation:
The square root of (16x)^4 is (16x)^2 because you divide the power by root and 16x squared is equal to 256x^2
Answer:
256x²
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.