How many elliptical galaxies are there in the universe?
20 billion is a good guess.
Assuming a best estimate of 100,000,000,000 galaxies in the universe, 20% of known galaxies are elliptical, which implies that 20% of all galaxies, if known galaxies are a good representation of the universe's makeup, would be elliptical.
The accuracy of the above answer is questionable because the total number of galaxies is only a good estimate, and the statement that 20% of galaxies are elliptical is based on an assumption.
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Although the precise number of elliptical galaxies in the universe is difficult to calculate, estimates place their number at about 100 billion.
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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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