Write the Indicated Term of the Binomial Expansion $( 5 x + 4 ) ^ { 5 } ; \quad 5$

Multiple Choice

Write the indicated term of the binomial expansion.
- $( 5 x + 4 ) ^ { 5 } ; \quad 5$ th term

A) $8000 x ^ { 2 }$
B) $1600 x$
C) 5120
D) $6400 \mathrm { x }$