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Josh is choosing between the 8 different types of chips in the vending machine. If any...

Josh is choosing between the 8 different types of chips in the vending machine. If any number of chips types can be chosen, how many chip type combinations are possible?

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Answer #1

Solution: Since there are 8 different types of chips are available in the vending machine, Josh can choose 1 to 8 types of chips.

Now he can choose 1 chips in ways, 2 chips in ways, ......, and 8 chips in ways. Thus the total number of ways he can choose chips are

Therefore there are 255 combinations are possible.

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