Question

Brainliest if correct
Rita is adding 3+ (-8) + 1. She rewrites the expression as 3 + (-1) + 8.
What is Rita’s error?
Group of answer choices

She used the commutative property, which cannot be used with negative numbers.

She switched the negative signs for –8 and 1.

In the new expression, –8 and 1 should both be negative.

She used the associative property which should only be used with positive numbers..

Answer 1

Answer:

She switched the negative signs for –8 and 1.

Step-by-step explanation:

The problem is an addition of three numbers, 3, -8, and 1.

Because of the commutative and associative properties of addition, she can add the numbers in any order and group the numbers in any way she wants, but the numbers must still be 3, -8, and 1.

She rewrite the expression as 3 + (-1) + 8.

Now the numbers are 3, 8, and -1. The numbers are not the numbers she needs to add since she changed the 1 into a -1 and the -8 into an 8.

Answer: She switched the negative signs for –8 and 1.

Answer 2

Answer:

She switched the negative signs for –8 and 1.

Step-by-step explanation:

or D