b$)$ Was there an overtlow?

$5.$ Answer the following. You must show your work to get graded.

a$)$ Convert $25\mathrm{.}0625$ into an IEEE single precision value.

b$)$ Convert $15\mathrm{.}75$ into an IEEE double precision value.

c$)$ Add $($a$)$ and $($b$)$ together. What is the answer? Did you need to typecast?