8. Counting and Probability
Middle Years
8.04 Factorial notation (Enrichment)
Interactive practice questions
Evaluate $5!$5!
Easy
< 1min
Simplify $\frac{7!}{5!}$7!5!
Easy
< 1min
Find the value of $\frac{7!}{4!}$7!4!.
Easy
< 1min
Find the value of $\left(7-5\right)!$(7−5)!
Easy
< 1min
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