Which prefix has multiplier 0.001?

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Multiple Choice

Which prefix has multiplier 0.001?

Explanation:
Understanding how metric prefixes map to powers of ten helps you convert and compare units quickly. Each prefix scales the unit by a specific factor: centi- is 10^-2 (0.01), deci- is 10^-1 (0.1), milli- is 10^-3 (0.001), micro- is 10^-6 (0.000001), and nano- is 10^-9 (0.000000001). Since 0.001 is 1 × 10^-3, that matches milli-. This means one thousandth of a unit, as in 0.001 meter equaling 1 millimeter. The other prefixes correspond to different magnitudes (0.01, 0.1, 0.000001, 0.000000001), so they don’t fit 0.001.

Understanding how metric prefixes map to powers of ten helps you convert and compare units quickly. Each prefix scales the unit by a specific factor: centi- is 10^-2 (0.01), deci- is 10^-1 (0.1), milli- is 10^-3 (0.001), micro- is 10^-6 (0.000001), and nano- is 10^-9 (0.000000001). Since 0.001 is 1 × 10^-3, that matches milli-. This means one thousandth of a unit, as in 0.001 meter equaling 1 millimeter. The other prefixes correspond to different magnitudes (0.01, 0.1, 0.000001, 0.000000001), so they don’t fit 0.001.

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