please answer all. Thank you

Subtract according to significant figures :

a$)23\mathrm{.}27-12\mathrm{.}058=$

c$)350\mathrm{.}0-200=$

b$)13\mathrm{.}57-6\mathrm{.}3=$

d$)27\mathrm{.}68-14\mathrm{.}369=$

$5.$Calculate the answers to the appropriate number of significant figures.

$\backslash$table$[[$a$)23\mathrm{.}73\mathrm{.}8,=,-,$e$)43\mathrm{.}67864\mathrm{.}1,=$