If N = 2^0.25 and N^b = 16, b must equal Pick one
A) 3 / 80  B) 3 / 5  C) 4  D) 16  E) 80 / 3

Rationale: "25 / 100 = 1 / 4 n = 2 ^ 1 / 4 n ^ b = 2 ^ 4 ( 2 ^ 1 / 4 ) ^ b = 2 ^ 4 b = 16 answer : d"
Answer: D