Identify which number is the root and which number is the power in the expression

Question

(2b)^3/4
A. The root is 2 and the power is 3
B. The root is 2 and the power is 4
C. The root is 3 and the power is 4
D. The root is 4 and the power is 3
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Answer 1

B. The root is 2 and the power is 4