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Is 1.21221222122221 rational or irrational ?

Is 1.21221222122221 rational or irrational ?
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2 votes
Is 1.21221222122221 rational or irrational ?

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User Ramakanth Putta
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8.1k points

2 Answers

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It is irrational, as it's not a number that can be divided into a whole number by another whole number.
answered
User Theotherlight
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7.9k points
4 votes
It is irrational because an irrational number has endless non-repeating digits to the right of the decimal point.
answered
User Selim Ok
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8.5k points
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