Q: What is 21,039 squared (21,0392)

 A:
442639521
Scientific Notation: 4.42639521 x 108


Why does 21,0392 = 442639521?

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 21,039 x 21,039 = 442639521


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21,037221,038221,040221,0412
442555369442597444442681600442723681

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