A fossil bone has 25% of this new radioactive element remaining. If the half-life of this new element is 10,000 years, how old i

Question

Delicious77 [7]

3 years ago

15

A fossil bone has 25% of this new radioactive element remaining. If the half-life of this new element is 10,000 years, how old i

s the fossil bone?

Biology

1 answer:

natali 33 [55] · Answer 1 · 2022-06-04T07:00:57+03:00

natali 33 [55]3 years ago

4 0

The element starts off as 100%. half of 100% is 50% and half of 50% is 25%. the element has emitted 2 times the half life which is 10,000 x 2 = 20,000

the fossil bone is 20,000 years old