Q: What is 800,400 squared (800,4002)

 A:
640640160000
Scientific Notation: 6.4064016 x 1011


Why does 800,4002 = 640640160000?

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 800,400 x 800,400 = 640640160000


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