Reorder the terms 4 - 61 - 7+ 4i using the commutative property of addition so the real numbers are at the beginning of the expression, and the Imaginary numbers are at the end of the expression.
A: 4 + 4 - 7 - 6i
B: 4+4i-6i-7
C: 4-6i+4i-7
D 4-7-6i+4i

11. How can the commutative property of addition be used on the expression 5i– 8 - 4i + 2 so the real numbers are at the beginning of the expression and the imaginary numbers are at
the end?

A: interchange 5i and 2
B: Interchange - 8 and 5i
C: Interchange -8 and -4i
D: Interchange - 4i and 2