How many Bits do you need?

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Question code:		How many questions:
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	1	If you want to store the number 54, what is the minimum number of bits you will need?
	2	How many bits do you need to hold 128 different numbers?
	3	If you want to store the number 11, what is the minimum number of bits you will need?
	4	If you have 3 bits, what is the biggest number you can store?
	5	If you want to store the number 3, what is the minimum number of bits you will need?
	6	If you want to store the number 505, what is the minimum number of bits you will need?
	7	If you want to store the number 431, what is the minimum number of bits you will need?
	8	If you have 10 bits, what is the biggest number you can store?
	9	If you have 5 bits, what is the biggest number you can store?
	10	How many bits do you need to hold 128 different numbers?