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a sample of wood that originally contained 100 grams of carbon14 now contains only 25 grams of carbon 14. approximately how many years ago was this sample part of a living tree

Sagot :

11460 years ago a sample of wood was the part of a living tree.

What is half-life?

The time required for half of something to undergo a process.

Carbon-14 has a half-life of 5,730 years. That means that no matter how many carbon-14 atoms were present when something died, after 5,730 years only half of them are left the rest have decayed to nitrogen.

The half life of C-14 is [tex]t_{\frac{1}{2}}[/tex] =5730 years.

This means that if you start with a sample of 100g, only 50g will be left in 5730 years.

Here, Only 25g is left, therefore the number of years is =5730 × 2  = 11460years.

Hence, 11460 years ago a sample of wood was the part of a living tree.

Learn more about the half-life here:

https://brainly.com/question/24710827

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