tolong dijawab nomor 4

A x B
[tex] \left[\begin{array}{ccc}2&1\\3&4\\\end{array}\right] [/tex] x [tex] \left[\begin{array}{ccc}0&1&-2\\6&4&3\\\end{array}\right] [/tex]
[tex] \left[\begin{array}{ccc}2.0+1.6&2.1+1.4&2.(-2)+1.3\\3.0+4.6&3.1+4.4&3.(-2)+4.3\\\end{array}\right] [/tex]
[tex] \left[\begin{array}{ccc}6&6&-1\\24&19&6\\\end{array}\right] [/tex]