What are the numbers between 0.9 and 1.1?

To one decimal place there is only 1.0

Two decimal places there :- 0.91, 0.92, 0.93, 0.94, 0.95, 0.96, 0.97, 0.98, 0.99, 1.00 ,1.01, 1.02, 1.03, 1.04, 1.05, 1.06, 1.07, 1.08, 1.09.

There to three decimal places

0.901, 0.902, .... 1.001, 1.002, 1.003, .... 1.009

et/ seq to four decimal places.

This will go on to infinity.