Question

0,0(2) =? 

Answer 1

0,(1)=1/9

=>0,(1):10=1/9:10=1/90

=>0,0(1)=1/90

=>0,0(2)=1/90.2=1/45

Answer 2

\(0,02=\frac{02-0}{90}=\frac{2}{90}=\frac{1}{45}\)