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Choose all of the rational numbers. \[ \square \frac{-5}{0} \quad \square \frac{0}{0} \quad \square 0.11 \overline{1} \quad \square \frac{0}{-10} \quad \square \sqrt{2} \quad \square \frac{2}{-2} \quad \square \sqrt{36} \]

Ask by Nichols Barber. in the United States
Jan 24,2025

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Tutor-Verified Answer

Answer

The rational numbers are \(0.11\overline{1}\), \(\frac{0}{-10}\), \(\frac{2}{-2}\), and \(\sqrt{36}\).

Solution

To determine which of the given expressions are rational numbers, let's analyze each one: 1. **\(\frac{-5}{0}\)** - **Undefined**: Division by zero is not defined in mathematics. - **Not a rational number**. 2. **\(\frac{0}{0}\)** - **Undefined**: This expression is indeterminate and has no defined value. - **Not a rational number**. 3. **\(0.11\overline{1}\)** - **Repeating Decimal**: This represents the number \(0.1111\ldots\), which is equal to \(\frac{1}{9}\). - **Rational number**. 4. **\(\frac{0}{-10}\)** - **Simplifies to 0**: Any number divided by a non-zero number is 0. - **Rational number**. 5. **\(\sqrt{2}\)** - **Irrational Number**: \(\sqrt{2}\) cannot be expressed as a fraction of two integers. - **Not a rational number**. 6. **\(\frac{2}{-2}\)** - **Simplifies to -1**: This is a simple division resulting in -1. - **Rational number**. 7. **\(\sqrt{36}\)** - **Simplifies to 6**: Since \(\sqrt{36} = 6\), which is an integer. - **Rational number**. **Rational Numbers from the List:** - \(0.11\overline{1}\) - \(\frac{0}{-10}\) - \(\frac{2}{-2}\) - \(\sqrt{36}\) **Therefore, the rational numbers are:** - \(0.11\overline{1}\) - \(\frac{0}{-10}\) - \(\frac{2}{-2}\) - \(\sqrt{36}\)

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Mind Expander

Let's take a look at which of these numbers are rational: 1. \(\frac{-5}{0}\) is **undefined**, so it isn't rational. 2. \(\frac{0}{0}\) is also **undefined**, so it isn't rational either. 3. \(0.11\overline{1}\) is a **repeating decimal** (equivalent to the fraction \(\frac{1}{9}\)), so it is rational. 4. \(\frac{0}{-10} = 0\), which is a rational number. 5. \(\sqrt{2}\) is an **irrational number**, so it isn't rational. 6. \(\frac{2}{-2} = -1\), which is a rational number. 7. \(\sqrt{36} = 6\), which is also a rational number. So, the rational numbers among your selections are: - \(0.11\overline{1}\) - \(\frac{0}{-10}\) - \(\frac{2}{-2}\) - \(\sqrt{36}\) Hence, the complete list of rational numbers from the provided options is: \[ \square 0.11\overline{1} \quad \square \frac{0}{-10} \quad \square \frac{2}{-2} \quad \square \sqrt{36} \]

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