Find the Nth Term of the Geometric Sequence $2,1 , \frac { 1 } { 2 } , \frac { 1 } { 4 } , \frac { 1 } { 8 }$

question 223

Multiple Choice

Find the nth term of the geometric sequence.
- $2,1 , \frac { 1 } { 2 } , \frac { 1 } { 4 } , \frac { 1 } { 8 }$

• A) \(a _ { n } = 2 \cdot \left( \frac { 1 } { 2 } \right) ^ { n + 1 }\)
• B) \(a _ { n } = 2 \cdot \left( \frac { 1 } { 4 } \right) ^ { n - 1 }\)
• C) \(\mathrm { a } _ { \mathrm { n } } = 2 \cdot \left( \frac { 1 } { 2 } \right) ^ { \mathrm { n } - 1 }\)
• D) \(a _ { n } = 2 \cdot \left( \frac { 1 } { 2 } \right) ^ { n }\)

Identify and describe various stages of sleep and their characteristics.

Recognize the significance and interpretation of dreams and their role in psychological theory.

Understand the concept of sleep deprivation, its causes, and its impact on health and behavior.

Acknowledge the effect of biological rhythms, such as circadian rhythms, on sleep patterns and daily functioning.

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Definitions:

Distillation Process

A method of separating mixtures based on differences in their volatilities in a boiling liquid mixture.

Impurities

Substances within a material that are not part of the intended composition, often affecting its properties or quality.

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The rate at which plants in an ecosystem produce net energy or biomass after accounting for the energy used in respiration.

Ecosystems

Complex networks of living organisms and the physical environments in which they interact, encompassing both biotic and abiotic components.