How many Bits do you need?

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Question code:		How many questions:
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	1	If you have 3 bits, what is the biggest number you can store?
	2	If you want to store the number 10, what is the minimum number of bits you will need?
	3	If you want to store the number 30, what is the minimum number of bits you will need?
	4	How many bits do you need to hold 128 different numbers?
	5	If you want to store the number 2, what is the minimum number of bits you will need?
	6	How many bits do you need to hold 256 different numbers?
	7	How many bits do you need to hold 1024 different numbers?
	8	If you want to store the number 43, what is the minimum number of bits you will need?
	9	If you want to store the number 747, what is the minimum number of bits you will need?
	10	If you have 6 bits, what is the biggest number you can store?