Multiple choice

Which of the following decimal numbers is an irrational number?

  1. 0.414141.

  2. 1.732732.

  3. 0.132013200132000132.

  4. 0.1234512345.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Irrational numbers have non-terminating, non-repeating decimal expansion. The decimal expansion is 0.132013200132000132..…, which is non-terminating and non-repeating.

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