If Hubble's Constant Is Taken to Be 70 Km/s/Mpc, and a Quasar

question 127

Multiple Choice

If Hubble's constant is taken to be 70 km/s/Mpc, and a quasar is found with a radial velocity of 0.95 times the speed of light, how far away is the quasar

• A)4100 Mpc
• B)0.014 Mpc
• C)67 Mpc
• D)74 Mpc
• E)300,000 Mpc

---

Definitions:

Discount Rate

The interest rate used to discount future cash flows of a financial instrument to their present value, determining the potential investment's value.

Cash Flows

The total amount of money being transferred into and out of a business, indicating its financial health.

Project

A planned endeavor, typically involving research or design, that is carefully planned to achieve a particular aim.

PI

A mathematical constant approximately equal to 3.14159, representing the ratio of a circle's circumference to its diameter; if the context is finance, PI could refer to Profitability Index, indicating the ratio of payoff to investment for a project.