Question: [Number Representation] What are the 8-bit 2's complement representations of the following decimal numbers? Please give both their binary and hexadecimal representations. If you think

[Number Representation]

What are the 8-bit 2's complement representations of the following decimal numbers? Please give both their binary and hexadecimal representations. If you think the number can not be represented, simply specify "n/a" or "Not Available".

Please show your answer in a step-by-step fashion (each step of breaking down to powers of 2 or each iteration of repeated division) . Answers without steps receive

zero.

a. -123

b. 139

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