How Long Will a 2 M_⨀ Star Live as a Main-Sequence

question 58

Multiple Choice

How long will a 2 M_⨀ star live as a main-sequence star?

• A)12 million years
• B)180 million years
• C)1.8 billion years
• D)12 billion years
• E)18 billion years

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Definitions:

Marginal Cost

The additional expenditure required to produce one more unit of a product or service.

Output

The amount of goods or services produced by a firm, industry, or economy within a particular time period.

Marginal Cost

The elevation in comprehensive cost stemming from the creation of one more unit of a good or service.

Fixed Cost

Fixed costs are business expenses that remain constant regardless of the quantity of goods or services produced, such as rent or salaries.