Can someone help with this

Answer:
D
Step-by-step explanation:
The answer is D because 0.684 stops and only rational numbers stop and 0.1222… is rational because it repeats and also only rational numbers repeat. Hope that helps :)
Answer:
Answer D
Step-by-step explanation:
The answer is D because 0.684 does not have a "..." at the end. This means that it is rational
0.12222... has a "..." at the end, but rational numbers can be written in at least some way,
0.1222... can be written like
_
[tex]0.12[/tex] (with the line above the 2)