d$0!,4!,$ and $6!.$

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Part $1$

$0!$equals

$$

enter your response here $($Type a whole$$ number.$)$

Part $2$

$4!$equals

$$

enter your response here $($Type a whole$$ number.$)$

Part $3$

$6!$equals

$$

enter your response here $($Type a whole$$ number.$)$