Question

Classify the number as rational or irrational.

Answer 1

2.876 is rational. It can be expressed as 2876/1000.
-(sqrt(16)) is rational. It can be expressed as -4/1.
3pi is irrational. Pi cannot be expressed as a fraction.
23/40 is rational. It can be expressed as 23/40.

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Answer 2

The answer to this question is:
2.876 is rational
-√16 is rational
3 $\pi$  is irrational and $\frac{23}{40}$  is rational


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