The Life Expectancy E, in Solar Lifetimes, of Certain Stars

question 21

Essay

The life expectancy E, in solar lifetimes, of certain stars depends on their mass M, in solar masses.The relationship is .
Does an increase in mass have a greater effect on life expectancy for a larger star or a smaller star? A graph of E versus M​ can help you answer this question.

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Definitions:

Net Income

The total earnings of a company after subtracting all expenses and losses from total revenue.

Return on Equity

A financial ratio that measures the profitability of a business in relation to the equity held by the shareholders.

Net Income

Net income is the total profit of a company after all expenses, including taxes and operational costs, have been deducted from revenues.

Common Stockholders' Equity

The portion of a company's equity that is attributable to common stock investments, reflecting the ownership interests in a corporation.