Răspuns :
[tex]20^1 = \boxed{20} \text{deoarece orice numar ridicat la puterea 1 ramane neschimbat} \\ \\ \\ 20^{20} = (2\times 10)^{20} = 2^{20}\times 10^{20} \\ 2^{20} = 1048576 \\ 10^{20} = 100000000000000000000 = \text{unu urmat de 20 de zerouri} \\ 2^{20}\times 10^{20} = \underbrace{104857600000000000000000000}_{\texttt{1048576 urmat de 20 de zerouri}}[/tex]