Question

Rita is adding 3 + (negative 8) + 1. She rewrites the expression as 3 + (negative 1) + 8.
What is Rita’s error?

Answer 1

Step-by-step explanation:

Rita is adding 3 + (8) + 1. She rewrites the expression as 3 + (1) + 8. What is Ritas error? She used the commutative property, which cannot be used with negative numbers. In the new expression, 8 and 1 should both be negative. She used the associative property which should only be used with positive numbers.. She switched the negative signs for 8 and 1.

Answer 2

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Explanation:

According to the question:

Rita is adding 3+(negative 8)+1 =>3+(-8)+1

ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ=>3-8+1

ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ=>-5+1

ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ=>-4

Now ,Rita rewrites the expression as ↷

3+(negative 1)+8=>3+(-1)+8

ㅤㅤㅤㅤㅤㅤㅤㅤ=>3-1+8

ㅤㅤㅤㅤㅤㅤㅤㅤ=>2+8=10

What is Rita's error??

Rita's error is that she wrongly added the 1 as negative value which is positive in place of -8.

Consequence of error:-

There is a huge difference in the result Firstly we added the value with correctly and obtain the result -4.But when wrongly added the result is 10 which is positive value.There is huge difference in both result as in first case the result is a positive value while in the second case when wrongly added the result is negative.