Find the Sum $$\sum _ { k = 1 } ^ { 3 } \left( \frac { 2 } { 3 } \right) ^ { k + 1 }$$

question 167

Multiple Choice

Find the sum.
- $$\sum _ { k = 1 } ^ { 3 } \left( \frac { 2 } { 3 } \right) ^ { k + 1 }$$

• A) \(\frac { 38 } { 27 }\)
• B) \(\frac { 76 } { 81 }\)
• C) \(\frac { 260 } { 81 }\)
• D) \(\frac { 80 } { 81 }\)

---

Definitions:

Saturation

In a chemical context, the point at which a solution can no longer dissolve more of a solute; in color theory, the intensity of a color.

Subtractive Color

A color model in which colors are created by subtracting light from a white background using color filters, typical in printing.

Perceptual Experiences

The subjective interpretation of sensory information, which constitutes the individual's experience of the world.

Raw Sensations

Relates to the basic, immediate experiences that arise from stimuli affecting sensory receptors, before undergoing significant mental processing.