Question

insert 16rational number between 2.1and2.2

Answer 1

You give me values 2.1 and 2.2
We can write it as 2.100 and 2.200
Hence the required rational numbers are 2.111,2.112,2.113,2.114,2.115,2.116,2.117,2.118,2.119,2.120,2.121,2.122,2.123,2.124,2.125,2.126