Which metric unit equals one millionth of a meter?

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Multiple Choice

Which metric unit equals one millionth of a meter?

Explanation:
A micrometer is one millionth of a meter. The micro- prefix in SI means 10^-6, so 1 micrometer equals 1 × 10^-6 meters. This places it between millimeters and nanometers on the metric scale and makes it the common unit for measuring very small objects like cells and bacteria. For context, a millimeter is 1 × 10^-3 meters (1000 micrometers), a nanometer is 1 × 10^-9 meters, and a picometer is 1 × 10^-12 meters.

A micrometer is one millionth of a meter. The micro- prefix in SI means 10^-6, so 1 micrometer equals 1 × 10^-6 meters. This places it between millimeters and nanometers on the metric scale and makes it the common unit for measuring very small objects like cells and bacteria. For context, a millimeter is 1 × 10^-3 meters (1000 micrometers), a nanometer is 1 × 10^-9 meters, and a picometer is 1 × 10^-12 meters.

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