$1.$ Convert the binary number $10011011$ to decimal $($base $10).$

$2.$ Convert the decimal number $2022$ to binary $($base $2).$

$3.$ Convert the decimal number $3128$ to octal $($base $8).$

$4.$ Convert the decimal number $8616$ to hexadecimal $($base $16).$

$5.$ What is $1001110+1011101($binary addition$)?$

$6.$ Convert the binary number $101111001$ to octal.

$7.$ Convert the binary number $1101101101$ to hexadecimal.

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