Express the following as Hindu - Arabic numerals.
MCDX

Answer

To express the Roman numeral MCDX as Hindu-Arabic numerals, we will break down each Roman numeral and then combine their values step by step.

### Step-by-Step Solution:

1. **Identify the Roman Numerals**: The Roman numeral we have is MCDX. We will identify each letter:
- M
- C
- D
- X

2. **Assign Values to Each Roman Numeral**:
- M = 1000
- C = 100
- D = 500
- X = 10

3. **Combine the Values**:
- The Roman numeral MCDX can be broken down as follows:
- M (1000)
- CD (which is 500 - 100 = 400)
- X (10)

4. **Calculate the Total**:
- Now, we will add the values together:
- M (1000) + CD (400) + X (10)
- 1000 + 400 + 10 = 1410

5. **Final Result**:
- Therefore, the Hindu-Arabic numeral for MCDX is **1410**.