2 years ago

Question 4 of 20

1 answer:

7 0

Answer:

A. 6,000 years

Explanation:

Original sample N = 60 g

The half life of N/2 is 3000yrs

"""""""""""""""""""N/4 is 6000yrs

N/4 ===> 15 gram

it takes 6000yrs to decrease to 15grams

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