Can someone check this?

11. Which of these nonterminating decimals can be converted into a rational number?
***a. 0.626226222...
b. 0.020220222...
c. 0.123123123...
d. 0.898998999...

Thanks for the help,
Luna

2 answers

nope. only repeating decimals are rational.
(a) does not repeat the same digit group over and over.
Then the answer is c?