Which prefix means one thousandth?

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Multiple Choice

Which prefix means one thousandth?

Explanation:
In the SI system, prefixes adjust a unit by powers of ten. One thousandth corresponds to 10^-3, which is the prefix milli (symbol m), so a milliunit is 0.001 of the base unit (for example, a millivolt is 0.001 volt). The other prefixes are 10^-6 (micro, one-millionth), 10^-9 (nano, one-billionth), and 10^6 (mega, a million times larger). Therefore, the prefix that means one thousandth is milli.

In the SI system, prefixes adjust a unit by powers of ten. One thousandth corresponds to 10^-3, which is the prefix milli (symbol m), so a milliunit is 0.001 of the base unit (for example, a millivolt is 0.001 volt). The other prefixes are 10^-6 (micro, one-millionth), 10^-9 (nano, one-billionth), and 10^6 (mega, a million times larger). Therefore, the prefix that means one thousandth is milli.

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