Idon't understand what the "! "s mean.

n! is called a factorial.

It would look something like this: n! = 1·2·3·...·n

An example:

5! = 1·2·3·4·5 = 120

step-by-step explanation:

oh the deck is the size of my dic k so about 320 inches hope u get my dic k as the answer

sasasadaassasasasa opk ok you know