Question

evaluate the factorial expression
10!/8! 2!

Answer 1

10!/8! * 2! ? or
10!/(8!*2!)
..

Answer 2

first expression 10!\[10!\div8! 2!\]

Answer 3

10! can be written as 10*9*8!

Answer 4

So, you can cancel out the 8!

Answer 5

Leaving just 10*9*2!

Answer 6

Make sense so far?

Answer 7

yes

Answer 8

2! is 2*1
So, 10*9*2*1=?

Answer 9

why cancel 8?

Answer 10

Because it simplifies the expression.

Answer 11

oh ok

Answer 12

is this correct?