How big was the universe at the time of the Big Bang?

Answer 1

Maybe a grain of sand.

It is theorized that at the moment of the big bang energy was contained in a singularity which means there is no space-time.

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Answer 2

The universe was extremely small at the time of the Big Bang, much smaller than a single atom. It was a singularity, a point of infinite density and temperature.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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