It is -53/9.
As a fraction it is: 13/99 = 0.131313 ... repeating
An irrational fraction.
7/9
4/15= 0.26 reapeating 6
2057140/999999
12/99
It is 28/3.
It is: 7/9
It is -53/9.
As a fraction it is: 13/99 = 0.131313 ... repeating
8/9
71/99
4/15= 0.26 reapeating 6
There isn't one. In fractional notation it is 151515/1, in decimal notation it is 151515.00
It is not possible to have a terminating decimal which repeats or a repeating decimal which terminates. The two types are mutually exclusive.
Circumference of a circle = 2*pi*radius or diameter*pi