Write the following in Hindu-Arabic numeral.
XXX

Answer

To convert the Roman numeral "XXX" into Hindu-Arabic numeral, follow these steps:

### Step-by-Step Solution:

1. **Identify the Roman Numerals**: The Roman numeral given is "XXX".

2. **Understand the Value of Each Character**:
- In Roman numerals, "X" represents the number 10.

3. **Count the Characters**:
- The numeral "XXX" consists of three "X" characters.

4. **Calculate the Total Value**:
- Since each "X" is worth 10, we can calculate the total value by adding the values together:
- 10 (for the first X) + 10 (for the second X) + 10 (for the third X) = 30.

5. **Write the Final Answer**:
- Therefore, the Hindu-Arabic numeral for "XXX" is 30.

### Final Answer:
The Hindu-Arabic numeral for "XXX" is **30**.

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