Question

express 0.001 bar only to 001 in p/q form

Answer 1

Let x=0.001 bar = 0.001001001.......(i)
1000x = 1.001001001.....(ii)
eq. (ii) - (i)
1000x = 1.001001001 - x = 0.001001001
999x = 1.000000000
999x = 1
x = 1/999