Question

Insert 16 rational numbres between 2.1 and 2.2

Answer 1

This is answer of your question

Answer 2

2.1 and 2.2 means
21/10and 22/10
multiply both sides by 100/100
now,
it will be ,
2100/100 and 2200/100
so,16 rational numbers are,.,
2101/100,2102/100,2103/100,2104/100,
2105/100,2106/100. ........ and so on...