No.
The square of a rational is rational.
1.28 = 128/1000
→ 1.28² = (128/100)² = 128²/100² = 16384/10000 = 1.6384
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The square root of 128 is an irrational number.
It is irrational.
It is a irrational number. Because the square root of every imperfect square is irrational number.
you can't FIGURE OUT THE SQUARE OF THE IRRATIONAL NUMBER
The square of a rational number can be either rational or irrational. However, the square of an irrational number is always irrational.