How many zeros are in googol times googol?

Answer 1

A googol is 1 * 10^100.

a googol times a googol is:

1 * 10^100 * 1 * 10^100 = 10^100 * 10^100 = 10 ^ (100 + 100) = 10^200.

Therefore a googol times a googol will have 200 zeros in it.