SOLUTION: Evaluate 11!/8!

Algebra ->  Test -> SOLUTION: Evaluate 11!/8!      Log On


   



Question 91512: Evaluate 11!/8!
Found 2 solutions by Earlsdon, checkley71:
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Evalute:
11%21%2F8%21
Try this:
11%21%2F8%21+=+11%2A10%2A9%2Across%288%21%29%2Fcross%288%21%29 = 990

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(11*10*9*8*7*6*5*4*3*2*1)/(8*7*6*5*4*3*2*1) NOW WE CAN CANCEL OUT ALL COMMON MULTIPLIERS THUS: (8*7*6*5*4*3*2*1) & WE HAVE LEFT IN THE NUMERATOR
11*10*9=990 ANSWER.