Answer :

To convert 221 miles to inches, we use the conversion factor that 1 mile is equal to 63,360 inches. Let's break down the conversion step by step:

1. Identify the conversion factor:
- 1 mile = 63,360 inches.

2. Multiply the miles by the conversion factor:
- Since we want to convert 221 miles to inches, we multiply 221 by 63,360.

3. Calculate the total inches:
[tex]\[
221 \text{ miles} \times 63,360 \text{ inches/mile} = 14,002,560 \text{ inches}
\][/tex]

So, 221 miles is equal to 14,002,560 inches.