For problems $8,9$ and $10,$ convert the following decimal numbers into $8$ bit binary numbers as required for $2\text{'}$s complement math, and perform the indicated operations. Circle or bold your binary answer and show your work.

Notes:

$$ Remember that positive numbers are represented in sign$-$magnitude format in $2\text{'}$s complement math

$8.$

$+48$

$+30$

$=$

$9.$

$+48$

$-30$

$=$

$10.$

$-48$

$+30$

$=$