-18
rational
4.6 is rational.
6 divided by sqrt(2) is an irrational number and so cannot be represented by a rational fraction.
0.6 is the ratio of 6 and 10 ... completely rational.
If the 6's continue, it is -5/3, and therefore it is rational. If they do not continue, it is -166/100, and still rational.
rational
4.6 is rational.
0.8333
Rational.
6 divided by sqrt(2) is an irrational number and so cannot be represented by a rational fraction.
No, -6 is rational.
No, 6 is rational.
irrational
No, 6 over 5 is not irrational. Irrational numbers cannot be expressed as a ratio of two integers. In this case, 6 over 5 simplifies to the rational number 1.2, which can be expressed as a ratio of 6 to 5.
No, the square root of 72 is not rational. It can be simplified to 6√2, where √2 is an irrational number. Since the product of a rational number (6) and an irrational number (√2) is irrational, the square root of 72 is also irrational.
0.6 is the ratio of 6 and 10 ... completely rational.
Six tenths is the ratio of 6 and 10. That's rational.