How do you decide if 0.222... is rational or irrational?

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Guest Oct 20, 2014

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Best Answer

If you have a decimal expresion that repeats (such as: 0.222... or 0.123123123...) or terminates (such as 0.23), then you have a rational numer.

If it does not repeat and does not terminate, then it is an irrational number.

geno3141 Oct 20, 2014

geno3141 · Answer 1 · 2014-10-20T09:19:05

If you have a decimal expresion that repeats (such as: 0.222... or 0.123123123...) or terminates (such as 0.23), then you have a rational numer.

If it does not repeat and does not terminate, then it is an irrational number.