Factorial

Express in factorial form:  $3\times2\times1$  

(a)  

 $\frac{7!}{2!5!}+\frac{7!}{4!3!}$  

(a)  

 $\frac{14}{8!-7!}=$  

•  $14$  

•  $\frac{2}{8!}$  
  

•  $1$  

•  $\frac{2}{7!}$  

Tags

CCSS.HSA.SSE.B.4

Simplify this

• 12

• ¾

• ¼

• 1!

6! 4!

• 24

• 720

• 12,560

• 17,280

Can a factorial be defined for a negative number?

• YES

• NO

Simplify this

• 6

• 30

• 1/5

• 1/6

2. 5!

• 120

• 110

• 100

• 90

Simplify this

• 90

• 2

• 1/2

• none of these