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Converting between positive denary whole numbers and binary questions

Q1. Represent the denary numbers 10, 31 and 250 in binary using one byte.
Q2. What is the denary equivalent of these binary numbers: 00000100, 10101010, 10000001
Q3. How many bits are there in 2 bytes?
Q4. What is the maximum and minimum numbers I can represent using one byte in pure binary?
Q5. What's the biggest and smallest number you can represent in a nibble? 
Q6.
What is the denary number 13 represented as a binary nibble?
Q7. 
What is the denary number 9 represented as a binary nibble?
Q8.
What is the maximum positive whole number you can store with 5 bits?
Q9. 
What is the maximum positive whole number you can store with 6 bits?
Q10.
Explain how you could calculate your answers to Q8 and Q9 above.

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