The Given Pattern Continues $$\frac { 1 } { 1 } , \frac { 1 } { 4 } , \frac { 1 } { 9 } , \frac { 1 } { 16 } , \frac { 1 } { 25 } , \ldots$$

question 210

Multiple Choice

The given pattern continues. Write down the nth term of the sequence suggested by the pattern.
- $$\frac { 1 } { 1 } , \frac { 1 } { 4 } , \frac { 1 } { 9 } , \frac { 1 } { 16 } , \frac { 1 } { 25 } , \ldots$$

• A) \(a _ { n } = \frac { 1 } { 3 n - 2 }\)
• B) \(a _ { n } = \left( \frac { 1 } { 2 } \right) ^ { n - 1 }\)
• C) \(a _ { n } = \frac { 1 } { n ^ { n - 1 } }\)
• D) \(a _ { n } = \frac { 1 } { n ^ { 2 } }\)

Understand the concept and identify the E/Z stereochemistry in alkenes.

Describe the principles behind the hydrogenation of alkenes, including the outcome of specific reactions.

Understand the basics and structural characteristics of polymerization, specifically for polyethylene, poly(tetrafluoroethylene), and poly(vinyl chloride).

Understand the basic properties of the exponential distribution, including its density function and y-intercept.

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Definitions:

Merchandise Balance of Trade

The difference in value between a country's merchandise exports and merchandise imports over a certain period.

Negative

In an economic context, this term often implies a deficit or a diminishing amount in financial accounts or outcomes.

Year

A period of time consisting of 365 days, or 366 in a leap year, used as a primary time unit in most calendar systems.

Trade Imbalance

A situation where the value of a country's imports significantly exceeds or is less than the value of its exports.