Do you mean 4 x 5=20 turns into 5 x 4=20 or do you mean like 6 x 7=42
The reason that 9.6 is rational is because it can be turned into a fraction.
The fraction is 48/5.
Rational numbers are numbers that can be turned into a fraction, while irrational numbers a those who cannot be turned into a fraction.
Do 9x2.5x10 = 225in3 the 3 at the end is a exponent so put it at the top after 225
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