Question

Which of the following is equivalent to the expression (i⋅−5−−−√)⋅3
, which shows that the Associative Property of Multiplication holds true for complex numbers?(1 point)
Responses

3i5–√
3 i square root of 5

i15−−√
i square root of 15

15i
15 i

i⋅(5–√⋅3)
i times open paren square root of 5 times 3 close paren

Answer 1

i⋅(√5⋅3), which equals 3i√5.

By associativity: (i⋅√5)⋅3 = i⋅(√5⋅3) = i⋅(3√5) = 3i√5.