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It is a rational number. A rational number is any number that can be written as p/q, where p and q are integers (and q is not equal to zero). Obviously 2 over 3 can be written as 2/3. Furthermore 2 and 3 are both integers. An irrational number is any number that cannot be written as a fraction as described earlier. This means that it has a infinite decimal expansion, with no repeating sequence. But if you would try to calculate 2 over 3, you'd just get 0.66666... where the 6 repeats infinitely many times. As I mentioned an irrational number cannot have a repeating sequence, so 0.66666... cannot be an irrational number, because the 6 repeats.

Q: Is 2 over 3 a rational or irrational number?

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It is equal to 21/2 which is a rational number

5.4 = 5 2/5 = 27/5 so it is a rational number.

Some irrational numbers can be multiplied by another irrational number to yield a rational number - for example the square root of 2 is irrational but if you multiply it by itself, you get 2 - which is rational. Irrational roots of numbers can yield rational numbers if they are raised to the appropriate power

that depends on the number. sqrt(2) is irrational, sqrt(4)=2 is rational

-52 is a rational number because it can be expressed as a fraction in the form of -52/1

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Rational

Can be irrational or rational.1 [rational] * sqrt(2) [irrational] = sqrt(2) [irrational]0 [rational] * sqrt(2) [irrational] = 0 [rational]

If you multiply or divide an irrational number - such as pi - by ANY rational number (except zero), you will ALWAYS get an irrational number.

It is equal to 21/2 which is a rational number

The result would be an irrational number

Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.

If it ends there, it is rational. If it continues with the same digit (2 in this case) over and over, it is also rational.

It is rational. It is a whole number so it cannot be irrational.

No. sqrt(2)/pi is not rational.

5.4 = 5 2/5 = 27/5 so it is a rational number.

Some irrational numbers can be multiplied by another irrational number to yield a rational number - for example the square root of 2 is irrational but if you multiply it by itself, you get 2 - which is rational. Irrational roots of numbers can yield rational numbers if they are raised to the appropriate power

It is rational