A signed number was converted to binary and stored in an $8$bit memory location. The value in the memory cell is shown below the helix, find the equivalent signed decimal number it represents for each of the following singed number notations:

$3$A

Decimal equivalent if was stored in Sign Magnitude Notation Decimal equivalent if was stored in $1\text{'}$ s Complement Notation. Decimal equivalent if was stored in $2\text{'}$ s Complement