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Expanded Form of Numbers

First, write the number in the place value chart.
 

For example: The number 123 can be written in the place value chart as:

 

1a

There are 3 ones, 2 tens, and 1 hundred.

1 hundred = 100
2 tens = 20
3 ones = 3

The expanded form of 123 is 100 + 20 + 3.
ds

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Help

The correct answer is

Remember :

The smallest number is the one that comes first while counting.

Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.