Answer
210
Work Step by Step
$\binom{10}{4}=\frac{10!}{(10-4)!\times4!}=\frac{10!}{6!\times4!}=\frac{6!\times7\times8\times9\times10}{6!\times4!}=\frac{7\times8\times9\times10}{4!}=210$
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