Question

classify the following numbers as rational or irrational
$\sqrt{45}$
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Answer 1

Answer:

it is an irrational number .

root 45 = root over 9 ×5 = 3 root 5

Answer 2

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$\large \sqrt{45} \\ \\ = > \large \sqrt{3 \times 3 \times 5} \\ \\ \large = > 3 \sqrt{5}$

so,√45 is irrational

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hops this may help you

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