What is the simplified form of 3 a superscript 4 baseline b superscript negative 2 baseline c superscript 3 baseline question mark A. Start Fraction 81 a superscript 4 baseline c superscript 3 baseline over b superscript 2 baseline End Fraction B. Start Fraction 81 a superscript 4 baseline over b superscript 2 baseline c superscript 3 baseline End Fraction C. Start Fraction 3 a superscript 4 baseline over b superscript 2 baseline c superscript 3 baseline End Fraction D. Start Fraction 3 a superscript 4 baseline c superscript 3 baseline over b superscript 2 baseline End Fraction