Answer:
0.125: rational
0.125456... irrational
Step-by-step explanation:
An irrational number in decimals does not repeat a pattern and it does not terminate too.
A terminating decimal is a rational number.
A recurring and non-terminating decimals are also rational numbers.
0.125 is rational because it terminates.
0.125456... is irrational because it doesn't recur or terminate