Answers to Questions Kids Ask! - Where "Why?" Turns to "Wow!"

Q:

What's a googol?

A:

A googol is a 1 with a hundred zeroes behind it. We can write a googol using exponents by saying a googol is 10^100.

The biggest named number that we know is googolplex, ten to the googol power, or (10)^(10^100). That’s written as a one followed by googol zeroes.

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