Convert 7 feet to inches.

To convert feet to inches, you need to know that one foot is equal to 12 inches. Therefore, to convert 7 feet to inches, you multiply 7 by 12.

Calculating this gives:

7 feet × 12 inches/foot = 84 inches.

This means that 7 feet is equal to 84 inches, which makes the correct answer clear and justifies the choice of 84". Understanding this conversion factor is essential for accurately working with different units of measurement in various applications, particularly in areas related to construction, engineering, and maintenance, where precise measurements are crucial.