Final answer:
In formal writing, it is important to avoid contractions and slang terms.
Step-by-step explanation:
The elements that are not appropriate to use when writing in a formal style include:
- O contractions
- O slang terms
When writing formally, it is important to avoid using contractions such as 'don't' or 'can't' as they can make the writing appear more informal. Similarly, slang terms should be avoided as they may not be universally understood or may be considered inappropriate in a formal setting.
Learn more about Formal Writing