Write the following numbers in the expanded forms:279404, 3006194, 2806196, 120719, 20068

Explanation

To write the given numbers in their expanded forms, we will break down each number according to the place value of its digits. The expanded form expresses the number as a sum of each digit multiplied by its place value, which is a power of 10.

### Step-by-Step Solution:

1. **For the number 279404:**
- The digit '2' is in the hundred-thousands place: \(2 \times 10^5\)
- The digit '7' is in the ten-thousands place: \(7 \times 10^4\)
- The digit '9' is in the thousands place: \(9 \times 10^3\)
...