12-08-2015
Mathematics

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is 4.125... rational or irrational

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24-08-2015

[tex]4.125\ is\ rational\ number\ because\ we\ can\ convert\ this\ number\\to\ the\ fraction\ \frac{p}{q}\ where\ p,\ q\in\mathbb{Z}:\\\\4.125=\frac{4.125}{1}=\frac{4.125\cdot1,000}{1\cdot1,000}=\frac{4,125}{1,000}[/tex]

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