Physics · UNITS AND MEASUREMENT

If a measured length is expressed in different units such as \( 23.08 \text{ mm} \), \( 2.308 \text{ cm} \), and \( 0.02308 \text{ m} \), how does the number of significant figures change?

1. A
   It changes with the choice of units
2. B
   It remains unchanged (four significant figures)
3. C
   It decreases when converted to meters
4. D
   It increases when converted to millimeters