Write the following in Roman numeral.
20

Answer

To convert the number 20 into Roman numerals, we follow these steps:

### Step 1: Understand the Roman numeral system
Roman numerals are represented by combinations of letters from the Latin alphabet. The key symbols are:
- I = 1
- V = 5
- X = 10
- L = 50
- C = 100
- D = 500
- M = 1000

### Step 2: Break down the number 20
The number 20 can be broken down into its components. Since 20 is made up of two tens, we can express it as:
- 20 = 10 + 10

### Step 3: Write 10 in Roman numerals
From our understanding of Roman numerals, we know that:
- 10 is represented by the letter 'X'.

### Step 4: Combine the Roman numerals for 20
Since 20 is two tens, we can write it as:
- 20 = X + X = XX

### Final Answer
Therefore, the Roman numeral for 20 is **XX**.

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