Matrix (AB)C=A(BC)
A=
1 1 -1
2 0 3
3 -1 2
B=
1 3
0 2
-1 4
C=
1 2 3 -4
2 0 -2 1

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type