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umber is rational or irrational. (Example 1)

nal

2. --rational

4. 1819-rational

6.-2

8.1-rational

Answer 1

It looks like you are trying to categorize numbers as rational or irrational. Here’s a brief explanation of the two types of numbers:

- **Rational Numbers**: These are numbers that can be expressed as a fraction (a/b), where "a" and "b" are integers and "b" is not equal to zero. Examples include 1/2, 3, -4, and 0.75.

- **Irrational Numbers**: These cannot be expressed as a simple fraction. They are non-repeating, non-terminating decimals. Examples include √2, π (pi), and e (Euler's number).

Now, let’s classify the numbers you mentioned:

1. **2** - Rational (it can be expressed as 2/1)
2. **√2 (if this is what you meant by --rational)** - Irrational
3. **–rational (not a specific number)** - Cannot classify without a specific value
4. **1819** - Rational (it can be expressed as 1819/1)
5. **–2** - Rational (it can be expressed as -2/1)
6. **1** - Rational (it can be expressed as 1/1)

If you have other specific numbers you'd like to evaluate, please provide them!

Answer 2

2 squared over 2 squared

Answer 3

The expression "2 squared over 2 squared" can be written mathematically as:

\[
\frac{2^2}{2^2}
\]

Calculating \(2^2\):

\[
2^2 = 4
\]

So the expression simplifies to:

\[
\frac{4}{4} = 1
\]

The number 1 is a rational number because it can be expressed as a fraction (1/1).