RICAS Math Grade 8 Practice Questions - Rhode Island Comprehensive Assessment System (RICAS) Mathematics, Grade 8 Exam

Why is π (pi) classified as an irrational number?

It can be written as a repeating decimal. It cannot be written as a ratio of two integers and its decimal expansion is non-terminating and non-repeating. It is equal to 22/7 exactly. It is a negative real number.

Correct Answer:

It cannot be written as a ratio of two integers and its decimal expansion is non-terminating and non-repeating.

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