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Compare and order real numbers
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Learn it To compare roots, fractions, π and decimals, change each one to a decimal (2–3 places is enough), then compare.
Example: Order $\sqrt{10}$, $\pi$, $3.1$.
- $\sqrt{10} \approx 3.162$, $\pi \approx 3.142$, $3.1 = 3.100$.
- Smallest to largest: $3.1, \pi, \sqrt{10}$.
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