Question

Which property allows you to write the expression [(3 + 7i) + (8 − 6i)] + (1+ 9i) as (3 + 7i) + [(8 − 6i) + (1 + 9i)]?

Answer 1

Answer:

Which property allows you to write the expression

(3 + 7i) + (8 − 6i) as (8 − 6i) + (3 + 7i)?  

COMMUTATIVE

Which property allows you to write the expression

[(3 + 7i) + (8 − 6i)] + (1+ 9i) as (3 + 7i) + [(8 − 6i) + (1 + 9i)]?  

ASSOCIATIVE

Step-by-step explanation:

ED2020

Answer 2

You can use the associative property of addition to rewrite the given expression.

The property which allows the given expression to be written as given another expression is

Associative property of addition

What is associative property of addition?

Suppose you've got 3 numbers as $a$ , $b$ , and $c$

Then, we have

$(a+b) + c = a + (b + c)$

This property is called associative property and it is called so because we can associate b with a, or b with c without altering the value of the addition.

Thus, the given expression when written in another form, is using the associate property of addition.

Learn more about associative property of addition here:

https://brainly.com/question/11185424