Which of the following will help you to create a more professional style?
a. avoiding contractions, such as can't or won't
b. using proper punctuation and spelling
c. using jargon and technical terms correctly
d. being aware of your audience as a group of professionals
e. all of the above
All of the above will help. b. and c. show that you are trying to write properly, and a. and c. show that you are specifically using formal register of the language, directed at other professionals.