Solve
-The Square Has Sides of Length $5 x ^ { 4 }$

Multiple Choice

Solve.
-The square has sides of length $5 x ^ { 4 }$ centimeters. Find its area. $\left( A = s ^ { 2 } \right)$

A) $25 \mathrm { x } ^ { 16 } \mathrm { sq } \mathrm { cm }$
B) $10 x ^ { 8 } \mathrm { sq } \mathrm { cm }$
C) $10 x ^ { 16 } \mathrm { sq } \mathrm { cm }$
D) $25 \mathrm { x } ^ { 8 } \mathrm { sq } \mathrm { cm }$