Question

an ice cream stores sells 27 flavors of ice cream. Determine the number of 4dip sundaes?

Answer 1

\[^{27}C_4\]

Answer 2

so it's 27*26*25*24?/4

Answer 3

An easier way than going to the formula each time is to look at the second number, it has been small for all of your problems, so you write out in your numerator decending product for 4 terms: 27*26*25*24
and in the denominator, descending product (factorial) of the number on the right of theC: 4*3*2*1

Answer 4

Yeah that's what I forgot to do to multiple the bottom numbers