Which is the value of this expression when a = 5 and k = negative 2?
(StartFraction 3 squared a Superscript negative 2 Baseline Over 3 a Superscript negative 1 Baseline EndFraction) Superscript k
StartFraction 1 Over 75 EndFraction
StartFraction 9 Over 25 EndFraction
StartFraction 25 Over 9 EndFraction
75