**A right triangle has side lengths 4 units, 5 units, and x units. It is unknown if the missing length is the longest or shortest side.**

**Rounded to the nearest tenth, what is the difference between the possible values of x?**

**Answer**:

**A right triangle has side lengths 4 units, 5 units, and x units. It is unknown if the missing length is the longest or shortest side.**

**Rounded to the nearest tenth, what is the difference between the possible values of x?**

**Answer**: