#### Answer

1

#### Work Step by Step

$9$C$0$ is equivalent with the following expression:
$\binom{9}{0} $
By definition, $\binom{a}{0}=1$, therefore:
$\binom{9}{0} =1$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

1

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