Biology Forums - Study Force

Science-Related Homework Help Geography and Earth Sciences Topic started by: cattyson on Jan 23, 2018

Title: A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 ...
Post by: cattyson on Jan 23, 2018

A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 grams. How much
parent isotope remains after 3 half-lives?
a. 23 grams
b. 46 grams
c. 69 grams
d. 115 grams
e. 161 grams

Title: A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 ...
Post by: scatherine on Jan 23, 2018

Content hidden