What Is the Lifetime of a 10-Solar-Mass Star on the Main

question 87

Multiple Choice

What is the lifetime of a 10-solar-mass star on the main sequence

• A)\(3.2 × 10^7\) years
• B)320 years
• C)\(3.2 × 10^{12}\) years
• D)\(1× 10^9\) years
• E)\(1 × 10^{11}\) years

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Definitions:

Equilibrium Price

The price at which the quantity of a good supplied equals the quantity demanded, resulting in no surplus or shortage in the market.

Zero Economic Profit

A situation where a firm's total revenues exactly equal its total costs, indicating no above-normal profit.

Economist

A professional or expert in economics, studying the production, distribution, and consumption of goods and services.

Rate of Return

The gain or loss on an investment over a specified period, expressed as a percentage of the investment’s cost.