4/3 is irrational because it is as follows 4/3=1.333
(1.333 continuing )
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It is equal to 21/2 which is a rational number
sqrt(4/9) = 2/3 = 0.666... Which is NOT irrational .
0.75 is a rational number because it can be expressed as a decimal in the form of 3/4
No. Sqrt(4) = 2, sqrt(0.04) = 0.2 are examples where the square roots are rational. Sqrt(3) is irrational Sqrt(-3) is neither rational nor irrational but imaginary.
It is a rational number