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Q: What is the symbol for an irrational number?

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There is no special symbol to indicate an irrational number.

There is no special symbol for irrational numbers in general. There are symbols for some special numbers, such as pi and e.

An irrational number is a number that cannot be represented by a ratio of two integers, in the form x/y where y > 0. There is no particular symbol for irrational numbers. The set notation Râˆ© Q', representing Reals (R) other than Rationals (Q) may be used.

No. Radical(1.21) = 1.1, for example, is rational.

Because pi is an irrational number that has an infinite amount of digits

irrational the scientific symbol is okay

It is more likely that it will be irrational.

No. The sum of an irrational number and any other [real] number is irrational.

The sum of a rational and irrational number must be an irrational number.

it's Q Bar. i cant find a symbol for it on the keyboard. but its basically like The rational Symbol (Q) with a horzontal line on top of it.

rational * irrational = irrational.

No, 3.56 is not an irrational number. 3.56 is rational.

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