Yes it is.
26 is a rational number
2.6 is the ratio of 26 to 10 ... nice and rational.
26 is an integer and not a fraction. However, it can be expressed in rational form as 26/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
It is a rational number because it can be expressed as a fraction in the form of 26/5
- sqrt(26)
Yes. Any terminating decimal (as well as repeating decimals) is rational.
the square root of 26 is a irrational number
There are no rational numbers between sqrt(-26) and sqrt(-15). The interval comprises purely imaginary numbers.
26 is an integer and not a fraction. However, it can be expressed in rational form as 26/1 which cannot be simplified.
It is an irrational number because it can't be expressed as a fraction
5.2 = 5 2/10 = 5 1/5 = 26/5
It is an irrational number because it can't be expressed as a fraction