Which equation finds the area of a square with a side length of 5 n Superscript 4 units?
A. (5 n Superscript 4 Baseline) squared = 25 n Superscript 8 square units
B. (5 n Superscript 4 Baseline) squared = 5 n Superscript 8 square units
D. 5 (n Superscript 4 Baseline) squared = 5 n Superscript 8 square units
D. 5 (n Superscript 4 Baseline) squared = 10 n Superscript 8 square units