Question

Evaluate the expression of 9! - 4! (5!)

Answer 1

360,000.

Explanation:

9! - 4! (5!)

= 9*8*7*6*5*4*3*2*1 - 4*3*2*1 * 5*4*3*2*1

= 5*4*3*2*1 ( 9*8*7*6 - 4*3*2*1)

= 120( 3024 - 24)

= 120 * 3000

= 360,000