Q: What is 21,400,542 squared (21,400,5422)

 A:
457983197893764
Scientific Notation: 4.579831978938 x 1014


Why does 21,400,5422 = 457983197893764?

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 21,400,542 x 21,400,542 = 457983197893764


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21,400,540221,400,541221,400,543221,400,5442
457983112291600457983155092681457983240694849457983283495936

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