which prefix denotes 1/1,000,000,000?\n milli-\n deci-\n micro-\n nano-

which prefix denotes 1/1,000,000,000?\n milli-\n deci-\n micro-\n nano-
Answer
Brief Explanations:
The prefix "nano -" denotes $10^{-9}$ which is $\frac{1}{1,000,000,000}$. "milli -" denotes $10^{-3}$, "deci -" denotes $10^{-1}$, and "micro -" denotes $10^{-6}$.
Answer:
D. nano-