How long ago was the earth formed?
Hazel AsherThe age of the Earth is 4.54 ± 0.05 billion years (4.54 × 109 years ± 1%).
This dating is compatible with the radiometric ages of the oldest known terrestrial and lunar samples and is based on data from meteorite material that has undergone radiometric age dating.
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Alexander AcostaThe Earth formed approximately 4.5 billion years ago.
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The Earth is estimated to have formed around 4.5 billion years ago.
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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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