Find the Sum of the Convergent Series $$\sum _ { n = 0 } ^ { \infty } 10 \left( - \frac { 9 } { 10 } \right) ^ { n }$$

question 99

Multiple Choice

Find the sum of the convergent series. $$\sum _ { n = 0 } ^ { \infty } 10 \left( - \frac { 9 } { 10 } \right) ^ { n }$$

• A) \(\frac { 110 } { 17 }\)
• B) \(\frac { 100 } { 19 }\)
• C) \(\frac { 90 } { 19 }\)
• D) \(\frac { 110 } { 19 }\)
• E) \(\frac { 100 } { 17 }\)

---

Definitions:

Memory Cells

Immune cells that are formed following an initial immune response and remain in the body, ready to mount a faster and more effective response upon re-exposure to the same antigen.

Specific Immune Responses

See adaptive immune responses. NEW_G

Innate Immunity

The first line of defense in the body's immune system, comprising physical, chemical, and cellular defenses against pathogens that are present from birth.

Cell-Mediated Immunity

A component of the immune system that involves the activation of certain immune cells to defend the body against pathogens.