Final answer:
Expository writing is academic, while technical writing is focused on practical information and instructions.
Step-by-step explanation:
Expository writing is often academic, focused on providing an effective explanation of a topic. It strives to clarify a subject or situation by providing categories or reasons that support the writer's explanation. On the other hand, technical writing is usually practical, aiming to inform readers about specific information or instructions in a clear and concise manner. Technical writing is commonly found in product manuals, operating instructions, and technical documents.