Final answer:
Everyday applications of 'E' include ecology for urban planning and conservation, electrostatics in various office equipment, and epidemiology for health risk analysis.
Step-by-step explanation:
In everyday life, we encounter numerous applications of the mathematical constant e in various forms, though the question specifically asks about 'E' in different contexts. In terms of ecology, it is applied in urban planning, conservation of species, and natural resource management. Electrostatics, an important aspect within physics, has its daily applications in devices like photocopiers, laser printers, ink-jet printers, and electrostatic air filters. E-commerce, while not explicitly related to the physical constant or concept of e, is an example of the daily use of electronic platforms for economic transactions. Lastly, epidemiology, which often involves statistical analysis where the mathematical constant e could be used, is crucial in understanding health risks and the spread of diseases within populations in our daily lives.