A: If you plug in the numbers, 20.25 becomes 20.5. Since Nb = 16, the fractional part of this fraction is equal to 16. The answer is (D).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:If N = 2^0.25 and N^b = 16, b must equal Answer Choices: A)3/80 B)3/5 C)4 D)16 E)80/3