How many Bits do you need?

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Question code:		How many questions:
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	1	How many bits do you need to hold 4 different numbers?
	2	How many bits do you need to hold 8 different numbers?
	3	If you want to store the number 1, what is the minimum number of bits you will need?
	4	If you want to store the number 726, what is the minimum number of bits you will need?
	5	If you want to store the number 89, what is the minimum number of bits you will need?
	6	If you want to store the number 39, what is the minimum number of bits you will need?
	7	How many bits do you need to hold 4 different numbers?
	8	If you have 5 bits, what is the biggest number you can store?
	9	If you have 10 bits, what is the biggest number you can store?
	10	If you have 3 bits, what is the biggest number you can store?