141 89/90-84

I assume you are asking for assistance in preparing for university exams based on the given numbers 141 and 89/90-84.

First, let's clarify the second number, 89/90-84. It seems to be a fraction followed by a subtraction operation. To solve this, we need to convert the fraction into a decimal. The decimal equivalent of 89/90 is approximately 0.9889. Thus, the expression becomes 0.9889 - 84.

Now, let's break down the steps you can take to prepare for your exams:

1. Review the syllabus: Make sure you have a clear understanding of what topics will be covered in the exams. Take note of any specific concepts or chapters emphasized by the professor.

2. Organize your study materials: Gather all your notes, textbook chapters, lecture slides, and any other relevant study materials. Ensure they are organized and easily accessible.

3. Create a study schedule: Plan a study schedule that allocates specific time slots for each subject or topic you need to review. Set realistic goals for each study session, ensuring you have enough time to cover all the necessary material.

4. Review class notes: Go through your class notes to refresh your memory on the key concepts and information covered in lectures. Highlight any areas where you lack clarity and need further understanding.

5. Read the textbooks: Review the relevant chapters in your textbooks. Pay close attention to the main points, examples, and any practice problems or exercises provided.

6. Seek additional resources: If you feel the need for more explanation or study material, explore additional resources such as online tutorials, videos, or study guides.

7. Practice problem-solving: Apply your knowledge by solving practice problems and answering sample questions. This will help reinforce concepts and familiarize yourself with the types of questions you may encounter in the exams.

8. Seek help if needed: If you are struggling with any specific topics, don't hesitate to seek help from your professor, teaching assistants, or classmates. Consider joining study groups or attending office hours for additional support.

9. Use past exams or practice tests: If previous exams or practice tests are available, make use of them to simulate exam conditions. This will help you assess your preparedness and identify areas that need more focus.

10. Take care of yourself: It's crucial to take breaks, get sufficient sleep, eat well, and exercise during your study period. Taking care of your physical and mental well-being will enhance your ability to retain information and perform well on the exams.

Remember, effective preparation requires consistency and dedication. Break down your study materials into manageable chunks and tackle them methodically. Good luck with your exams!