Answer:

Step-by-step explanation:
We have the product,
.
It is known that,
'When we multiply a scalar with a matrix, the scalar is multiplied by each element of the matrix'.
So, we get,
.
⇒ 
⇒ 
So, the resulting product is
.
Answer:
12
Step-by-step explanation:
Have a Nice Day :)
77 - (-145) = 77 + 145 = 222
Answer:
-a will be greater than -b because for example, when a=2 and b=5, -a=-2 and -b=-5