A radioactive isotope has a half life of T years. It radius to `3.125%` of its original value in

A radioactive isotope has a half-life of T years. The time required for its activity reduced to 6.25% of its original activity

A radioactive isotope has a half-life of T years. After how much time is its activity reduced to 6.25% of its original activity ? Given T _(1//2)=T

A radioactive isotope has a half-life of 8 days. If today 125 mg is left over. What was its original weight 32 days earlier ?

A radioactive isotope has a half-life of T years. How long will it take the activity o reduce to 3.125% its original value?

A radioactive isotope has a half life of T years. How long will it take the activity to reduce to 3.125% .

A radioactive isotope has half life of 8 days . If today 125 mg is left over, what was its original weight 32 days earlier?