An average human stride is $1.44 \text{ m}$ long.
**Choose the best approximation of the length of a human stride.**
[[☃ radio 1]]
A marathon is $42{,}195 \text{ m}$ long.
**Choose the best approximation of the length of a marathon.**
[[☃ radio 2]]
**Approximately how many strides does it take to complete a marathon?**
[[☃ radio 3]]