Q: What is 642,390 squared (642,3902)

 A:
412664912100
Scientific Notation: 4.126649121 x 1011


Why does 642,3902 = 412664912100?

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 642,390 x 642,390 = 412664912100


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