Write 86324805 separating periods in Hindu - Arabic system.

Answer

To write the number 86324805 in the Hindu-Arabic system with periods separated, follow these steps:

### Step-by-Step Solution:

1. **Write the Number**: Start by writing the number as it is given:
\[ 86324805 \]

2. **Identify the Grouping**: In the Hindu-Arabic numeral system, we separate the number into groups. The first group consists of three digits (from the right), and the subsequent groups consist of two digits each.

3. **Separate the Digits**: Begin from the rightmost side of the number and separate the digits into groups:
- The first group (rightmost) will have 3 digits: **805**
- The next group will have 2 digits: **48**
- The next group will have 2 digits: **32**
- The last group will have 1 digit: **8**

4. **Combine the Groups with Commas**: Now, combine these groups, placing commas between them:
\[ 8,63,24,805 \]

5. **Final Result**: The number 86324805, when written in the Hindu-Arabic system with periods separated, is:
\[ 8,63,24,805 \]