A. !
B. #
C. $
D. &
🧠 Explanation:
The $ sign in Excel formulas denotes absolute references, locking cell positions. For tech students, this highlights spreadsheet functions, making it a key topic for studying data analysis, Excel tools, and digital literacy. Absolute references ensure accuracy. Understanding this improves Excel proficiency. It’s essential for mastering formula operations. Studying absolute references offers insights into how Excel maintains data, crucial for IT, data science, and business.