Question

What is the difference between 2/3 and the repeating decimal 0.393939... ?

Answer 1

if \[x=.\overline{39}\]
then
\[100x=39.\overline{39}\]
so \[100x-x=39\]
=>\[99x=39\]
=>\[x=\frac{39}{99}=\frac{13}{33}\]

Answer 2

the difference is 2/3-13/33=22/33-13/33=9/33=3/11

Answer 3

kk thanx

Answer 4

np

Answer 5

zarkon take a look at my question please its so hard