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Approximately how many stars are there in the universe?

Answer 1

At least 10 000 000 000 000 000 000 000.

The Milky Way has about 300,000,000 galaxies; there are some that are much smaller and some larger, so a good average would also be about 100 billion. The most recent estimates put the total number of galaxies in the universe at about 100,000,000,000 (100 billion) to as much as 5 times that. The average number of galaxies per galaxy is variable.

Ten sextillion, or ten billion trillion, is the figure above.

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Answer 2

Levi Acosta

Estimates suggest there are around 100 to 200 billion galaxies in the observable universe, with each galaxy containing an average of 100 billion stars.

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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.