What is the floating$-$point E notation format for $\mathrm{.}1234?$

Question $15$ options:

a$)$

$1\mathrm{.}234$E$-1$

b$)$

$1\mathrm{.}234$E$+1$

c$)$

$\mathrm{.}1234$

d$)$

$\mathrm{.}1234$E