The Big Bang took place approximately ____ years ago.
A) 150 billion
B) 50 billion
C) 15 billion
D) 15 million
E) 10,000

Name: The Big Bang took place approximately ____ years ago. A) 150 billion B) 50 billion C) 15 billion D) 15 million E) 10,000
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The Big Bang is estimated to have occurred around 13.8 billion years ago, so the closest option is C) 15 billion. The other options are much too small or much too large for the estimated age of the universe.

The Big Bang Took Place Approximately ____ Years Ago