Question

Evaluate.
9!/6!3!

Answer 1

Just plug into a calculator?

Answer 2

by hand:
\[\frac{9*8*7*6*5*4*3*2*1}{(6*5*4*3*2*1)((3*2*1)}\]
cancel out what you can, you are left with:
\[\frac{9*8*7}{3*2*1}\]
which is 84 i believe