Input/Output Tables For Multiplication
Consider the table:
Let's find the rule from the table.
The rule makes each number increase.
So, try using multiplication.
4 × 4 = 16
7 × 4 = 28
1 × 4 = 4
Here, 4 is multiplied with every input.
The rule is “multiply by 4.”
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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.