Answer:
Geometric Progression is the explicit rule for the given sequence: 11, 22, 44, 88...
First term (a) = 11
Common ratio (r) = 22/11 = 44/22 = 88/44 = 2
Formula used in Geometric Progression is :---
[tex]\boxed{a_n = a {r}^{(n - 1)}}✓\\ [/tex]
where, 'n' is the required term