What does the prefix micro- mean?

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Multiple Choice

What does the prefix micro- mean?

Explanation:
Micro- means one millionth. In the metric system, each prefix scales by powers of ten to show the size of a unit. Micro- corresponds to 10^-6, while milli- is 10^-3, centi- is 10^-2, and ten-thousandth would be 10^-4, etc. For example, a micrometer is 0.000001 meters and a microgram is 0.000001 grams. So the correct interpretation is that micro- represents one part in a million.

Micro- means one millionth. In the metric system, each prefix scales by powers of ten to show the size of a unit. Micro- corresponds to 10^-6, while milli- is 10^-3, centi- is 10^-2, and ten-thousandth would be 10^-4, etc. For example, a micrometer is 0.000001 meters and a microgram is 0.000001 grams. So the correct interpretation is that micro- represents one part in a million.

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