Which prefix denotes 10^-9?

Master chemistry for the PCC Competency Exam with this quiz. Use flashcards and multiple-choice questions with hints and explanations. Excel in your test!

Multiple Choice

Which prefix denotes 10^-9?

Explanation:
Understanding SI prefixes and their exponents helps you translate numbers into practical measurements. The prefix that denotes 10^-9 is nano-, symbolized by n. It’s used for extremely small scales like a nanometer (nm) or a nanosecond (ns), which are one-billionth of a meter and one-billionth of a second, respectively. So, the prefix that corresponds to 10^-9 is nano-. For reference, 10^-6 is micro- (μ), 10^-3 is milli- (m), and 10^3 is kilo- (k).

Understanding SI prefixes and their exponents helps you translate numbers into practical measurements. The prefix that denotes 10^-9 is nano-, symbolized by n. It’s used for extremely small scales like a nanometer (nm) or a nanosecond (ns), which are one-billionth of a meter and one-billionth of a second, respectively. So, the prefix that corresponds to 10^-9 is nano-. For reference, 10^-6 is micro- (μ), 10^-3 is milli- (m), and 10^3 is kilo- (k).

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