// Ex9_4

clc;

// Given:
f=1.0014;// seperation factor

//Solution: Part (a)
A1=3.5/0.72;// total enrichment
n1=log(A1)/log(f);
printf("\n The no. of stages will be = %d", n1)

//Solution: Part (b)
A2=90/0.72;// total enrichment
n2=log(A2)/log(f);
printf("\n \n The no. of stages will be = %d", n2)