If gravity is unimportant and H equal 75 km/sec/Mpc,then (using the text's formula of 1012/H) the age of the universe is about ...
A) 8.9 billion years.
B) 13 billion years.
C) 16.6 billion years.
D) 26 billion years.
E) 74 billion years.
Correct Answer:
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