If the average density of the Universe is small compared
Chapter 46, Problem 42(choose chapter or problem)
If the average density of the Universe is small compared with the critical density, the expansion of the Universe described by Hubbles law proceeds with speeds that are nearly constant over time. (a) Prove that in this case the age of the Universe is given by the inverse of the Hubble constant. (b) Calculate 1/H and express it in years.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer