Answer:
-864
Step-by-step explanation:
The determinant of a matrix product is the product of the determinants. The determinant of a transpose is the same as the determinant of the original. Hence ...

The multiplication of an n×n matrix by a scalar 'a' multiplies its determinant by a^n, so the desired determinant is ...

Answer:
What do,you mean
Step-by-step explanation:
OOOOH my favorite LONG DIVISION but anyways the answer is 164.4
Answer:
-78
Step-by-step explanation:
4 Months is -312 so dividing by 4 will give the decrease of one month:
-312 ÷ 4 = -78
Yes, 0.069 is less than 0.07~
First, we compare the "one" place: 0 = 0.
Second, we compare the "tenth" place: 0 = 0.
Next, we compare the "hundredth" place: 6 < 7.
Because 6 < 7, 0.069 < 0.07 as a result~