Question
1gram of redioactive material having a half life of 2years is kept in a store, calculate how much of the material will remain unchage?
Answers
Steve
ummm, how long is it kept there?
every 2 years it decreases by 1/2.
every 2 years it decreases by 1/2.
bobpursley
amount remaining=original(1/2)^(time/2years)