AP Style recognizes i.e. as meaning “that is” and e.g. as meaning “for example.”
AP Style has a specific way that it requires these two abbreviations to be written in writing. AP Style requires that a comma follow these abbreviations. Consider the following,
- Wrong: The bulk (i.e. about 80 percent) of the work needs to be done in the next three days.
- Correct: The bulk (i.e., about 80 percent) of the work needs to be done in the next three days.
- Wrong: I have many hobbies (e.g. golf, sailing, writing).
- Correct: I have many hobbies (e.g., golf, sailing, writing).
For a more full discussion on the differences between i.e. and e.g., check out our full post on the subject.