|
Title: The half-life of cobalt-60 is 5.20 yr. How many milligrams of a 2.000-mg sample remain after 6.55 years? Post by: lulalu on Oct 13, 2018 The half-life of cobalt-60 is 5.20 yr. How many milligrams of a 2.000-mg sample remain after 6.55 years?
A) 0.837 B) 3.23 10-15 C) 4.779 D) 1.588 E) 1.163 Title: The half-life of cobalt-60 is 5.20 yr. How many milligrams of a 2.000-mg sample remain after 6.55 years? Post by: ruthalvarez on Oct 13, 2018 Content hidden
Title: Re: The half-life of cobalt-60 is 5.20 yr. How many milligrams of a 2.000-mg sample remain after ... Post by: sfddfk833 on May 6, 2020 thanks
|