Eli5: what is “E”? I find it used in numbers that are mind bogglingly large, but I don’t know what it really means.

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Eli5: what is “E”? I find it used in numbers that are mind bogglingly large, but I don’t know what it really means.

In: Mathematics

7 Answers

Anonymous 0 Comments

It’s called scientific notation. For really large numbers, we can notate them as a number multiplied by 10 raised to whatever exponent is needed. So for instance instead of writing out 563,000,000,000,000,000 every time, we can shorten it to 5.63 × 10^17. “E” just replaces the “× 10” part. So 5.63E17. 

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