This is a simple math problem in the first grade of primary school. 100 has three representations.

First, according to the composition of numbers, 100 consists of 10 decimal places, so 100 is expressed as 10 decimal places.

The second method is also based on the composition of numbers. 100 consists of 100 one, so 100 is expressed as 100 one.

Method 3: According to the composition of numbers, 100 is 0, 100 is 1, and 100 is one hundred.