Question

find 3 rational number and 3 irrational number 3.89 and 3.90

Answer 1

            3.89=389/100
and,      3.90=390/100
 multiply both no. by 10
  now   3890/1000<3892/1000<3894/1000<3898/1000<3900/1000
 the rational no. are  3.892,3.894,3.898
 i don,t know how to find irrational no.