Expand 23,579.

Explanation

To expand the number 23,579, we will break it down according to the place value of each digit.

### Step-by-Step Solution:

1. **Identify the place values of each digit:**
- The number 23,579 has five digits: 2, 3, 5, 7, and 9.
- From left to right, the place values are:
- 2 is in the ten-thousands place.
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