Final answer:
When writing a formal letter or email, use confident, polite, serious, and unemotional language.
Step-by-step explanation:
When writing a formal letter or email, the writer should use words that convey a formal tone. These include confident, polite, serious, and unemotional. By using confident language, the writer can demonstrate their knowledge and authority on the subject. Polite language is important to show respect and professionalism. Serious language helps to convey the importance of the issue being discussed. Finally, using unemotional language helps to maintain a professional tone and avoid bias or personal opinions.
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