If a Quasar Has a Recessional Velocity Of $2.7 × 10^5$

question 54

Multiple Choice

If a quasar has a recessional velocity of $2.7 × 10^5$ km/s and is determined to be 3600 Mpc, what is the Hubble constant based on this quasar alone Hint: Note that the units of your result should be (km/s) /Mpc to see what arithmetic process you need to perform.

• A)50 km/s/Mpc
• B)\(9.7 × 10^8\) (km/s)Mpc
• C)75 km/s/Mpc
• D)0.013 km/s/Mpc
• E)273,600 km/s/Mpc

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