Comparing Decimals with Mixed Numbers
To compare a decimal and a mixed number,
first convert, or change, one of the numbers so that we have either two decimals or two mixed numbers (or two fractions). Then, compare as usual.
First, let's write the mixed number as a decimal.
Now, compare 4.2 and 4.13.
As the tenth digit of 4.2 is greater than the tenth digit of 4.13,
4.2 > 4.13
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.