$1.$ Perform the following conversions using subtraction or division$-$remainder

a$.17010$ to base $9$

b$.421910$ to base $5$

$2.$ Convert the following decimal fractions to binary with a maximum of $6$ places to the

right of the binary point.

a$.84\mathrm{.}605$

b$.2048\mathrm{.}03125$

$3.$ What decimal value does the $8-$bit binary number $10001100$ have if:

a$.$ It is interpreted as an unsigned number

b$.$ It is on a computer using two$$s complement representation

$4.$ Perform the following binary multiplications, assuming unsigned integers $($note: we

didn$$t talk about multiplication much, but the process is really the same as you would

use for regular base $10$ numbers$).$

a$.1102$ x $1102$

b$.10\mathrm{.}012$ x $100000\mathrm{.}12$