[SteveDallas]

Originally Posted by Flint

The 52 cards in a deck can be arranged in...
8,065,817,517,094,390,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,
000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,
000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
...different ways.

How do you derive this number? The number of permutations is 52! (= 1 x 2 x 3 x 4 x . . . . x 51 x 52), which is 8.0658 x 10^67. Your number seems to be 8.0658 x 1000^67, which makes a slight difference.