How long have humans lived in the time scale of the universe?
Claire AnctilBriefly to the extreme.
The universe has existed for 13.7 billion years, and humans have only been around for about a million years—a ratio of 1:13,700,000!
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Hailey AlexanderIn the time scale of the universe, which is approximately 13.8 billion years old, humans have existed for a relatively short period of time, only around 200,000 years.
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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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