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2 votes
Is 1.21221222122221 rational or irrational ?

2 Answers

0 votes
It is irrational, as it's not a number that can be divided into a whole number by another whole number.
User Theotherlight
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4 votes
It is irrational because an irrational number has endless non-repeating digits to the right of the decimal point.
User Selim Ok
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