Question

question in picture

Answer 1

you get it?

Answer 2

nope

Answer 3

a maxrix dimensions are 'm' by 'n', m x n
m--number of rows
n--number columns

Answer 4

This has 3 rows and 4 columns, so matrix M is 3 x 4

Answer 5

the same pattern goes for each individual space label...

\[\huge m _{mn}\]

so \[\huge m _{32}=11\]
3rd row, second column