Question

Ashes from a campfire deep in a cave show carbon -14 activity of only one-eigth the activity of fresh wood. How long ago was that campfire made?
1) 13590 years
2) 15190 years
3)17190 years
4)21190 years​

Answer 1

Answer:

• dodge has a new and chandra electric

Answer 2

Answer:

17190 years expected ans

Explanation

1/8=1/2*1/2*1/2

one half life of C-14 has an approximate value of 57000 years

then

57000*3=17100