% of the carbon-14 expected in living matter, when did the tree die? The half life of substance X (before decaying to Y) is 100 Days. You started with a block of pure X (no Y). Five hundred days later, what is the ratio \frac{X}{Y}...
A few weeks ago, I did an “email-cleanse.” On that cleanse, I unsubscribed from all the people that stirred up minor anxiety attacks whenever I read their emails because there was so much pressure to always “buy it now before the clock strikes 12!” I just couldn’t deal, nor did...
% of the carbon-14 expected in living matter, when did the tree die? A container holds a pure sample of a radioactive substance with a half life of 2 hours. Which of the following statements are true? Check all that apply. After 1 hour, less...