If you mean 4/9 as a fraction then it is a rational number
41/9 is a rational number because all fractions are rational numbers
1/4, or .25 is rational.
Yes it is.
Yes. Any rational number divided by another rational number is also rational.
Any number that can be written as a fraction is rational -- therefore, 4/9 squared is rational (it can still be written as a fraction even if you multiply it by itself).
The square root of 9/16 is 3/4 which is a rational number
If you mean 4/9 as a fraction then it is a rational number
Yes. In fact, most factions are rational. For example, 4/5 is rational, 9/234 is rational, 1/998001 is rational, any whole number over a whole number is rational.
41/9 is a rational number because all fractions are rational numbers
Rational
-1/9 is rational because it can be expressed as a fraction (ratio).
Any addition, subtraction, multiplication, or division of rational numbers gives you a rational result. You can consider 8 over 9 as the division of 8 by 9, so the result is rational.
Rational.
1/4, or .25 is rational.
2/9 is rational by definition- it is a ratio of two integers.
sqrt(4/9) = 2/3 = 0.666... Which is NOT irrational .