Q: What is 21,240,042 squared (21,240,0422)

 A:
451139384161764
Scientific Notation: 4.511393841618 x 1014


Why does 21,240,0422 = 451139384161764?

When you're trying to find what a number is when squared, you take the number and multiple it by itself.

So, that means you take 21,240,042 x 21,240,042 = 451139384161764


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