1. Spreadsheet Formatting and Calculations – Formatting cells, merging, applying currency and weight values, and renaming worksheets. 2. Formulas and Data Manipulation – Using replicable formulas for unit conversions, cost calculations, and chain length determination. 3. User Interface Design – Creating a worksheet with drop-down menus and lookup functions using INDEX and MATCH. 4. Evidence Documentation – Capturing and presenting data with screenshots in a rich-text document for validation. 5. Audio Editing Tasks – Modifying an audio file by changing speed, pitch, trimming length, and exporting in different formats. 6. Database Normalization – Creating a data dictionary and normalizing customer data to the first normal form (1NF).