Which number does `cancel(||||)` | represents ?

Answer

To solve the problem of what number is represented by the notation `cancel(||||)`, we will follow these steps:

### Step-by-Step Solution:

1. **Identify the Notation**: The notation `||||` consists of four vertical lines.

2. **Count the Lines**: We need to count how many vertical lines are present in the notation.
- The first line is `|`.
- The second line is `|`.
- The third line is `|`.
- The fourth line is `|`.

3. **Total Count of Lines**: By counting each line, we find that there are a total of 4 lines.

4. **Conclusion**: Since each line represents the number 1, the total number represented by `||||` is 4.

### Final Answer:
The number represented by `cancel(||||)` is **4**.