0
No. It is a rational number. Since it can be expressed in the form p/q = 2/1 where 2,1 are integers.
Wiki User
∙ 7y ago
Wiki User
∙ 12y ago-2 is rational.
Add your answer:
Earn +20 pts
Is a rational number times a irrational number?
Can be irrational or rational.1 [rational] * sqrt(2) [irrational] = sqrt(2) [irrational]0 [rational] * sqrt(2) [irrational] = 0 [rational]
What product is true about the irrational and rational numbers?
The product of 2 rationals must be rational. The product of a rational and an irrational is irrational (unless the rational is 0) The product of two irrationals can be either rational or irrational.
Is 1over 2 rational or irrational?
Rational.
Is the square of an irrational number rational?
Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.
Is 0.555555 both rational and irrational rational neither rational nor irrational irrational?
No number can be both rational and irrational. And, at the level that you must be for you to need to ask that question, a number must be either rational or irrational (ie not neither). 0.555555 is rational.
Is 4.6 irrational or rational?
4.6 is rational.
2-root5 is irrational or rational?
-3
Is 5.4 an irrational or rational number?
5.4 = 5 2/5 = 27/5 so it is a rational number.
How do you find two rational and irrational nos?
1, 2 are rational and square root of 2 and pi are irrational.
Is 2 over 5 rational or irrational?
It is rational
Is the following number rational or irrational -2?
Rational.
Is 64 over 2 rational or irrational?
It is rational
