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Is -0.99 a rational number?
Yes, -0.99 is a rational number because it can be written as a fraction, -99/100. A rational number is any number that can be expressed as a fraction with an integer numerator and a non-zero integer denominator.
Is the square root of 99 a rational or irrational number?
Irrational: it amounts to roughly 9.949874371
What are rational numbers that are not integars?
Integers are whole numbers, with no fraction or decimal part. Rational numbers are numbers that can be expressed in the form a/b where a and b are both integers. Thus 1/2 is a rational number, but not an integer. 0.34343434... is a rational number (as it can be expressed as 34/99) but is not an integer.
Is 0.36 repeating irrational?
No. It is rational: 0.363636... = 36/99 = 4/11 Any decimal which terminates or ends in a repeating sequence of digits is a rational number.
Is a rational number always a rational number?
As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.
