0.6 repetent, (2/3)
The digits right of the decimal point.
No, it is rational
Yes. Any integer can be transformed into a decimal number by adding a decimal point and then a zero after, for example: 3 = 3.0
Yes. 25 = 25.0 i a decimal number and is the square of +/- 52.25 is the square of 1.5
With scissors? Or try subtracting the decimal away!