Script $8$

$\%$Define variables $a,b,c,$ and $d$

$a=2\mathrm{.}2$;

$b=5\mathrm{.}1$;

$c=-3\mathrm{.}1$;

$d=1\mathrm{.}8$

$\%$Enter commands to evaluate the expressions and assign the results

$\%$to the variable names given in the problem statement. Note the values of the variables

$\%a,b,c,$ and $d$ are defined in lines $2-5.$ Be sure not to overwrite these values with your

$\%$own code.