Which of the following represents the shortest distance?

Name: Which of the following represents the shortest distance?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The unit "pm" represents picometers, which is 10^-12 meters. 
All the other options have larger units: 
- Option A has a unit of mm, which is 10^-3 meters. 
- Option C has a unit of Gm, which is 10^9 meters. 
- Option D has a unit of F1F1F1S1µF1F1F10m, which is not a standard unit of distance and is likely a typo. 
- Option E has a unit of km, which is 10^3 meters.

Which of the Following Represents the Shortest Distance? A)2 μ\muμ M E)2 *10-4 Km

Which of the Following Represents the Shortest Distance?
A)2 $\mu$ M
E)2 *10^-4 Km