Using any operation or rearrange the numbers or both however you want, but make it true. No does not equal signs. Thats cheating.
$${\mathtt{102}} = {\mathtt{100}}$$
10^2 = 100 is the one i was thinking of but 2 - (1+1)=000 also works
$$2-\left( 1+1\right)=000$$
10^2 = 100