Respuesta :

Answer:

sum of terms: 55550

Explanation:

[tex]\sf S_n = \dfrac{n}{2} (u_{start}+u_{end}})[/tex]

Here the number of terms:

1100 ÷ 11 = 100

Using the Formula:

[tex]\sf \dfrac{100}{2} (11+1100)[/tex]

[tex]\sf 55550[/tex]