What is the correct answer for the following problem?

$(2\mathrm{.}412$x$102)+(3\mathrm{.}4$x$104)$

a$)5\mathrm{.}812$x$104$

b$)5\mathrm{.}812$x$102$

c$)2\mathrm{.}446$x$104$

d$)2\mathrm{.}446$x$102$

Group of answer choices

A

B

C

D