why is estimation useful when finding actual products and solving real - world problems?

why is estimation useful when finding actual products and solving real - world problems?
Answer
Brief Explanations:
Estimation gives a quick - check. It helps in getting a rough idea of the answer before precise calculations. In real - world, it can be used to make quick decisions, check if results are reasonable, and simplify complex problems.
Answer:
Estimation is useful as it provides a quick approximation, helps in validating results, and simplifies problem - solving in real - world scenarios.