Which of the following statement concerning the SI system is/are correct?
1. Prefixes are used to indicate a power of ten multiplier for a given SI base unit of measurement.
2. Degrees Celsius(°C) is the SI base unit for temperature.
3. The kilogram (kg) is the SI base unit for mass
A) 1 only
B) 2 only
C) 3 only
D) 1 and 3
E) 1,2,and 3
Answer: D) 1 and 3