Math geek needed to calculate the following probability...?

[Samuraiko]

I present to you a scenario.

You have a standard tarot deck (78 cards), to be used in a traditional 10 card layout. Given that there is only one of each type of card, and that any card can be either upright (right side up) or inverted (upside down), the odds for any SINGLE card and its orientation (upright or inverted) is 1 in 156 (if I'm right).

Here's the math geek part...

What are the odds associated with a full 10-card layout? (In other words, predicting all ten cards, their orientation, and their position in the spread.) (I gather this would be like 1/156 x 1/154 x 1/152 x 1/150 and so forth until 10 cards have been removed.)

I'd like the odds, in decimals, as far out as you can get them.

For bonus points (and sheer math geekitude), what are the odds of pulling the same 10 cards, in the same orientations, and in the same positions... SEVEN TIMES IN A ROW?

Please include a sample of the equation you used to calculate the answer.
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