Questions: Which of the following sentences uses an informal tone? Nowadays, undergrads in the US can decorate their dorms with wicked cool posters. American college students are permitted to decorate their dorm rooms with artwork.

Question 48: The answer is the first one: "Nowadays, undergrads in the US can decorate their dorms with wicked cool posters."

Explanation:

• "Undergrads" is a colloquial term for undergraduate students, which is less formal than "college students."
• "Wicked cool" is slang, which contributes to the informal tone.
• "Nowadays" is a conversational term that adds to the informal nature of the sentence.

In contrast, the second sentence uses more formal language:

• "American college students" is a more formal way of referring to undergraduates.
• "Permitted" is a formal term compared to "can."
• "Artwork" is a more formal term than "wicked cool posters."

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