The simplified form of an expression is StartFraction 1 Over 256 EndFraction t Superscript 28. Which expression was simplified?
(256 t Superscript negative 7 Baseline) Superscript 4
(4 t Superscript 28 Baseline) Superscript negative 4
(256 t Superscript negative 7 Baseline) Superscript negative 4
(4 t Superscript negative 7 Baseline) Superscript negative 4