2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128498We use Beck's quasi-additivity of Tsallis entropies for $n$ independent subsystems to show that like the case of $n=2$, the entropic index $q$ approaches 1 by increasing system size. Then, we will generalize that concept to correlated subsystems to find that in the case of correlated subsystems, when system size increases, $q$ also approaches a value corresponding to the additive case.12 pagesStatistical Mechanicstext