Figure: Main-Sequence Stars What Is the Approximate Age of the Star Cluster in Star

question 27

Multiple Choice

Figure: Main-Sequence Stars
What is the approximate age of the star cluster in the accompanying figure?

• A) 10 million years
• B) 100 million years
• C) 10 billion years
• D) 100 billion years
• E) Cannot be determine from the given data.

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Definitions:

Herfindahl Index

A measure of market concentration, calculated by summing the squares of the market shares of all participants in the market.

Market Shares

The portion of a market controlled by a particular company or product, typically expressed as a percentage of the total market.

Four-Firm Concentration Ratio

An economic measure that assesses the concentration of business within an industry, represented by the combined market share of the four largest firms.

Effective Cartel

An organization of producers that agree to coordinate prices and production to monopolize a market or maximize collective profits.