No
Yes.
One-eighth (1/8) is not irrational because it can be expressed exactly in decimal notation. 1/8=.125
125 is the ratio of 125 to ' 1 '. It's absolutely positively completely and perfectly rational.
If it would never end, then it is irrational e.g. 10/3 = 3.33333333... etc.. if it ends it's rational e.g. 1000/8 = 125 other irrational numbers: pi, e
Square root of 125 is an irrational number and its approximate value is 11.180. So it lies between 11 and 12.
Yes 3.456 is a rational number because it can be expressed as a fraction in the form of 432/125
The square root of 125 is an irrational number and it is about 11.18 rounded to two decimal places
Irrational. Irrational. Irrational. Irrational.
It is irrational.
Rational
Such a sum is always irrational.