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At least one of the factors has to be irrational.* An irrational number times ANY number (except zero) is irrational.
* The product of two Irrational Numbers can be either rational or irrational.
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What number produces an irrational number when added to 3 4?
Any irrational number will do.
Is -9pie rational or irrational?
What is 'pie' ; the meat pie that you eat??? I think you mean 'pi' , the mathematical symbol. Please spell it correctly.!!!!! pi = 3.141592654.... is an irrational number. Casually, an IRRATIONAL number is one which the decimals go to infinity and the decimal digits are not in any regular order. Any number rattional or irrational multiplied to aN IRRATIONAL number produces an irrational result. Hen ce -9 is rational -9(3.141592654...) = -28.27433388... is irrational.
Is it possible for the product of irrational number and a rational number to be a rational number?
Yes, it is possible only if an irrational number is multiplied with 0.
Does a repeating decimal multiplied by a variable an irrational number?
true
Is a number multiplied by pi irrational?
Maybe. It depends on the number that you are multiplying. Pi multiplied by (1 / 4pi) = 1/4. A quarter is definitely rational.
