The probability of a radioactive atoms to survive 5 times longer than its half-value period is-

What is the probability of a radioactive nucleus to survive one mean life?

What is the probability of a radioactive nucleus to survive one mean life?

The decay constant of a radioactive material is 5 xx 10^(-4) per year.find its half-life period.

Find the probability of survival of a radioactive nucleus for one mean life

The probability that a certain radioactive atom would get disintegrated in a time equal to the mean life of the radioactive sample is