## Exam-Style Question on Number Systems## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 94. This question is similar to one that appeared on an IB Studies paper in 2014. The use of a calculator is allowed.

This Venn diagram shows the relationship between the sets of numbers

$$\mathbb N, \mathbb Z, \mathbb Q \text{ and } \mathbb R$$Write down the following numbers in the appropriate place in the Venn diagram.

(a) \(5\)

(b) \(\frac23\)

(c) \(\pi\)

(d) \(0.91\)

(e) \(\sqrt 7\)

(f) \(-0.75\)

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