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Real Numbers and the Number Line
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Real Numbers — Definition & Examples

Practice problem

Real Numbers — Definition & Examples

By MMark Paulson

+3 contributors

Contributors

Mark Paulson
Liza Sulkin
Jonathan Heller
Anusha Rahman

Which of the following are not real numbers?

Choose one answer

Option A: A

The number of ants on Earth.

Option B: B

The number of ants on Mars.

Option C: C

$17.1717171717...$

Option D: D

$12$

Option E: E

None of the above.

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