Question

what are models and why do we use them?

Explanation:

Models are simplified representations of real - world systems, objects, or phenomena. They are used to understand complex concepts, make predictions, test hypotheses, and communicate ideas. For example, in science, a physical model of an atom helps visualize its structure; in business, a financial model can predict future revenues.

Answer:

Models are simplified representations of real - world entities or phenomena. We use them to understand complex things, make predictions, test ideas, and communicate concepts.