What is $\binom{4}{0} + \binom{4}{1} + \binom{4}{2} + \binom{4}{3} + \binom{4}{4}$?
A$24$
B$8$
C$16$
D$32$
Answer & Solution
Correct answer: C. $16$
$2^{4} = 16$. Direct: $1+4+6+4+1$.
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