2465/CH3/EX3.12/Ex3_12.sce


1
2
3
4
5
6
7
8
9
10
11

//Chapter-3,Example 12,Page 60
clc;
close;

t_half =6.13    //half life of Ac(222)

t= 10   //time period

amnt=1/10^(t*0.693/(2.303*t_half))

printf('the amount of the substance left is %.4f ',amnt)