What are the values of num$1$ and num $2$ after this snippet executes?

double num$1=4\mathrm{.}20$;

double num $2=$ num $1**10+5\mathrm{.}0$;

num $1=42\mathrm{.}0$ and num $2=42\mathrm{.}0$

num $1=4\mathrm{.}20$ and num $2=42\mathrm{.}0$

num $1=4\mathrm{.}20$ and num $2=47\mathrm{.}0$

num $1=42\mathrm{.}0$ and num $2=47\mathrm{.}0$