The Life Expectancy of a Star Is a Power Function

question 20

Multiple Choice

The life expectancy of a star is a power function of its mass.The value of the power in this function is .If the life expectancy is doubled, how is the mass affected? Round your answer to two decimal places if necessary. ​

• A) Life expectancy is multiplied by 6.25.
• B) Life expectancy is multiplied by 0.83
• C) Life expectancy is multiplied by 0.76.
• D) Life expectancy is multiplied by 6.3.

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Definitions:

Target Income

The specific amount of net income that a company aims to achieve for a certain period.

Investment Turnover

Investment turnover measures how efficiently a company generates sales from its investment in fixed assets.

Profit Margin

The percentage of revenue remaining after all expenses, taxes, and costs have been deducted from total sales.

Return on Investment

A measure used to evaluate the efficiency or profitability of an investment, calculated by dividing the net profit by the cost of the investment.