Where is 0.55 on the number line?

.............This is where 0.55 is.(It's between 0.5 and 0.6)

<;--;---;----;---;---;--|--;---;---;---;---;---;----;---;---;->

_0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1