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NO!!
Irrational Numbers are those where the decimal digits go to infinity AND there is no regular order in the decimal digits.
pi = 3.141592.... is the most well known irrational number.
as are the 'Square roots' od prime numbers;-#
sqrt(2) = 1.414213....
sqrt(3) = 1.73205...
sqrt(5) = 2.23606...
However,
such as numbers as
3.3333..... is NOT irrational, because the decimals are in regular order.
Similarly
2.373737....
or
5 .678678678....
Are NOT irrational because the decimals are in a regular order.
NB '....''' at the end of a decimal is the mathematical indication of recurring to infinity.
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Is the square root of 324 irrational?
No. √324 = 18 = 18/1 = a rational number.
The sum of a rational number and an irrational number is?
The sum of a rational and irrational number must be an irrational number.
Whether a rational number multiplied by an irrational number gives an irrational number?
rational * irrational = irrational.
Is 3.56 an irrational number?
No, 3.56 is not an irrational number. 3.56 is rational.
Is negative pi rational or irrational?
-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.
