To convert feet to inches, you would multiply by the conversion factor that relates feet to inches. Since there are 12 inches in 1 foot, the correct way to convert 10 feet to inches is:
- Converting feet to inches by multiplying 10 feet by 12 inches/1 foot.
This choice explicitly shows the conversion factor and uses correct dimensional analysis, making it clear and straightforward.
Thus, the correct choice is:
Converting feet to inches by multiplying 10 feet by Start Fraction 12 inches over 1 foot End Fraction.