The steady flow of electric charges in a wire is called electric current. These electrical charges travel through the power lines, bringing electricity into homes and businesses. Current flows through electrical wires and powers electronics items, from light bulbs to televisions.
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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.