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Helene is finding the sum (9 + 10i) + (–8 + 11i). She rewrites the sum as (–8 + 11)i + (9 + 10)i. Which statement explains the property of addition that she made an error in using?
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Helene is finding the sum (9 + 10i) + (–8 + 11i). She rewrites the sum as (–8 + 11)i + (9 + 10)i. Which statement explains the property of addition that she made an error in using?

User Lauro Moraes
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2 Answers

2 votes

Answer:

answer is d

Explanation:

User John Pittaway
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2 votes
The answer is that Helene incorrectly used the distributive property by combining the real number and the coefficient of the imaginary part.
User Damien Pollet
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