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Number theory Difficulty 1.0 Junior Find the answer Canada

The number of integers between $-\sqrt{8}$ and $\sqrt{32}$ is

(A) $5$ (B) $6$ (C) $7$ (D) $8$ (E) $19$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.