Find the Specified Nth Term in the Expansion of the Binomial.​

Multiple Choice

Find the specified nth term in the expansion of the binomial.​ $( x + y ) ^ { 9 } , n = 10$ ​

A) $y ^ { 9 }$
B) $x ^ { 9 } y ^ { 10 }$
C) $x y ^ { 9 }$
D) $x ^ { 9 } y$
E) $y ^ { 10 }$