Rita is adding 3 + (-8) + 1. She rewrites the expression as 3 + (-1) + 8. What is Rita's 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.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Rita is adding 3 + (-8) + 1. She rewrites the expression as 3 + (-1) + 8. What is Rita's error? She used the commutative property, which ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Can someone show me the work for this? Suppose y = sqrt (2x + 1) where x and y are functions of t.? suppose y = sqrt (2x + 1), where x and y are functions of t. (a) If dx/dt = 3, find dy/dt when x = 4.
Answers (1)
The surface area of two similar solids are 340yd^2 and 1,158yd^2. The volume of the larger solid is 1,712yd^2. What is the volume of the smaller solid? ... ?
Answers (1)
Find k (8) for the function k (n) + 0.007 n.
Answers (1)
Which inequality has a solution set of x>3or x<-3?
Answers (2)
Ben had $158 in the bank. He had a debit of $32 and then a credit of $48. What is Ben's balance after these two changes to his account?
Answers (1)
New Questions in Mathematics
How to solve for scientific notation
Answers (1)
A collection of nickels and dimes is a total value of $2.00 and contains 25 coins. How many of each coin is in the collection?
Answers (2)
A group of musicians want to sell a total of 1,000 tickets for 20 concerts. Suppose they sell the same number of tickets for each concert. How many tickets will they sell for each concert? Explain How you solved the problem.
Answers (2)
Each of two urns contains green balls and red balls. Urn 1 contains 10 green balls and 8 red balls. Urn 2 contains 3 green balls and 10 red balls. If a ball is drawn from each urn, what is P (red and red) ?
Answers (1)
How do you calculate the exterior angle of a decagon
Answers (1)