Question

Roughly how many years ago did our universe begin as a small, extremely dense point of matter?

around 5 thousand years ago
around 15 billion years ago
around 5 billion years ago
around 5 million years ago

Answer 1

The universe began as a small, extremely dense point of matter approximately 13.8 billion years ago. Therefore, the closest option in your list is "around 15 billion years ago."