Yes, 27 is a real number. Real numbers include all rational and irrational numbers, and 27 is a rational number because it can be expressed as a fraction, 27/1.
No.
No. 27 is a whole number, and all whole numbers are rational.
Yes.
If you can completely write a number, using digits, fractions and decimals, then the number is rational. You appear to have accomplished that.
No, it is rational.
The square root of 729 is 27.Yes, it is a rational number because 27 can be written as simple fraction, 27/1.
No
2.7 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
Yes, 27 is a real number. Real numbers include all rational and irrational numbers, and 27 is a rational number because it can be expressed as a fraction, 27/1.
No
No.
No. 27 is a whole number, and all whole numbers are rational.
Yes.
30
No because 5.4 is a rational number that can be expressed as a fraction in the form of 27/5
There are infinitely many rational numbers between 2 and 27.