(5)2+4+3
they go around the five because prenthsesis is another way to show multiplacation
Answer:
a=12.56 b=3.14 c=50.24 d=78.5 e=4.5216 f=63.585
Step-by-step explanation:
USE A CALCULATOR!
|-5 1 |
|1 4 |
Remember the determinant of |a b|
|c d| = ad - bc
Then The determinant of |-5 1 |
|1 4 | = (-5)(4) - (1) = -21
answer is 2 I've done this question before
Yes the are very much correct