Carbon-14 age dating? help please?!?

two questions;

a skeleton of an ancient fish is found to contain one eighth the amount of carbon- 14 that it contained when it was alive. how old is the skeleton?

2. the 1/2 life of cobalt-60 is 5.26 years. how many grams of a 20-gram sample of cobalt-60 remain after 10.52 years? after 15.78 years?

thanks.

1 Answer

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  • Anonymous
    9 years ago
    Favorite Answer

    2800 years

    30.48. 20.22

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