What is the simplified form of the following expression? 4th root of 16 x to the 8th power y to the 12th power z to the 4th power

Take the fourth root of each factor: the fourth root of 16 is 2, of x⁸ is x², and of y¹²z⁴ is |y³z|. The absolute value is needed because an even root must be nonnegative, so the simplified form is 2x²|y³z|, choice A.

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