-4.9 is a rational number. If a number is irrational, then it can not be expressed as a finite number of digits.
A few examples of Irrational Numbers are:
pi, the square root of any integer which is not square and the golden ratio (phi).
Rational.
-16.987 is a rational number
It is rational. It can be expressed as a fraction: -8⅓.
No, not all negative numbers are rational. There are many negative numbers that are irrational, just like the positive numbers.
4.6 is rational.
Rational.
The negative square root of 49 is -7. -7 is whole, integer, and rational number. It's not a natural or irrational number.
49 is a rational number
The negative of a rational number is also rational.
Irrational
No. Irrational and rational numbers can be non-negative.
No, it is rational.
sqrt(49)= 7=====quite rational!
sqrt(49)= 7=====quite rational!
Rational.
Rational
rational