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Angstrom (Å) is equal to

1. 0.01 μm
2. 0.001 μm
3. 0.0001 μm
4. 0.00001 μm

Correct answer: 0.00001 μm

Solution

An angstrom is 10^-10 meters. Since 1 micrometer is 10^-6 meters, dividing gives 10^-10 / 10^-6 = 10^-4 μm, which is 0.0001 μm? Wait—careful: 1 Å = 10^-10 m = 10^-4 μm, so the correct conversion is 0.0001 μm.

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