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ℚ (fancy capital Q) is the set of rational numbers.

Q: What letter is used to notate the set of a rational number?

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The number 8 out of 23 is a rational. This is used in math.

3.14159 is rational. However, it is often used as an approximation for Ï€, which is irrational. It is important to recognise that the rational number, 3.14159, is only an approximation for Ï€.

A number that can be rewritten as a fraction is a rational number.

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Q is the set of all rational numbers. The letter Q is used because rationals can be expressed as a quotient of two integers. Any letter from the Greek or Latin alphabet may be used as a symbol for an individual rational number.

If it can be expressed as a fraction then it is a rational number

Q stands for quotient. The letter R was already used for the set of Real numbers.

The letter R was used for real numbers. So Q, for quotients was used for rational numbers.

3.14 is rational. However, it is often used as an approximation for pi, which is irrational.

A rational number is a number that can be written in the form a/b, where "a" and "b" are integers and b is not equal to zero. For example, whole numbers are rational numbers.

The number 8 out of 23 is a rational. This is used in math.

a rational number is used to count ice cream = example they count how many icecreams the gout so if they have 7 it would be 7 /3 because 3 is the rational number

The idea is to look for a rational number that is close to the desired irrational number. You can find rational numbers that are as close as you want - for example, by calculating more decimal digits.

3.14159 is rational. However, it is often used as an approximation for Ï€, which is irrational. It is important to recognise that the rational number, 3.14159, is only an approximation for Ï€.

No. 3/(1/7) is a rational number. However, (1/7) cannot be used as an integer. Incidentally, the number equals 21.

a number that is not rational real and can be used in an equatuion