Name a career that would use scale factors in the real world?

Civil & or environmental engineering, construction-workers

Explanation

Designing the plan of a buildingMust be done at much smaller Sizes than actual ones

Architect

Step-by-step explanation:

An architect would use scale factors when making models for their buildings and then scaling them up or down. They would use this to go up or down when planning buildings and other architecture this would be used every day by people in this field.