$(3$ points$)$ After executing the following C$++$ statements:

int b;

$b=--$ testn $-9$;

what are the values of testn and b$?$

Show your calculations below as in the textbook before entering the answers in the boxes.

Ans:

$(3$ points$)$ After executing the following $C++$ statements:

double testn, $x=49\mathrm{.}0$;

test$\frac{n}{?}={2\mathrm{.}0}^{**}x+2\mathrm{.}0$;

what is the value of testn $?$ Show your calculations in the Ans: space below.

The testn$=3$