What Is the Lifetime on the Main Sequence of a 2-Solar-Mass

question 68

Multiple Choice

What is the lifetime on the main sequence of a 2-solar-mass star compared to the approximately 10-billion-year life of our Sun Pick the best answer.

• A)\(1.8 × 10^{11} \)years
• B)\(1.8 × 10^{10}\) years
• C)\(1.8 × 10^8\) years
• D)\(1.8 × 10^6\) years
• E)\(1.8 × 10^3\) years

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