How many Bits do you need?

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Question code:		How many questions:
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	1	If you have 4 bits, what is the biggest number you can store?
	2	How many bits do you need to hold 8 different numbers?
	3	How many bits do you need to hold 64 different numbers?
	4	If you want to store the number 66, what is the minimum number of bits you will need?
	5	If you want to store the number 3, what is the minimum number of bits you will need?
	6	How many bits do you need to hold 256 different numbers?
	7	If you have 9 bits, what is the biggest number you can store?
	8	If you want to store the number 5, what is the minimum number of bits you will need?
	9	If you have 6 bits, what is the biggest number you can store?
	10	If you want to store the number 12, what is the minimum number of bits you will need?