Multiplication of Whole Numbers by Multiples of 10
Let's find the product 8 × 10.
To find the product, first, multiply the non-zero parts of the numbers.
8 × 1 = 8
Now add one zero at the end of the obtained result:
So, 8 × 10 = 80.
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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.