.17 repeating as a decimal

.17 repeating = .17171717171717171717171717...

or

.17 repeating = .17777777777777777777777777...

It is ALREADY a decimal!!!!!!!!!!. If you mean as a FRACTION,then:

 

.177777777777...................etc. =8/45

.17171717171717...............etc. =17/99