Answer :
Answer:
Explanation:
half life is 40 second after 6 minutes 9 half lives are passed so the amount of nuclei which sill remain radioactive is 1/2^n=1/2^9=1/512
Answer:
Explanation:
half life is 40 second after 6 minutes 9 half lives are passed so the amount of nuclei which sill remain radioactive is 1/2^n=1/2^9=1/512