Final answer:
The official metric/SI abbreviations are c-kg, d-ml, and g-g.
Step-by-step explanation:
The official metric/SI abbreviations are:
- c - kg: This abbreviation stands for kilogram, which is the base unit of mass in the metric system.
- d - ml: This abbreviation stands for milliliter, which is a unit of volume in the metric system.
- g - g: This abbreviation stands for gram, which is another unit of mass in the metric system.
Therefore, the official metric/SI abbreviations are c-kg, d-ml, and g-g.