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anonymous

  • one year ago

)Ben is showing his work in simplifying (3.9 − 9.4) − 0.6 + 6.1. Identify any error in his work or reasoning. Step 1: (3.9 − 9.4) − 0.6 + 6.1 Step 2: 3.9 + (− 9.4 − 0.6) + 6.1 (associative property) Step 3: 3.9 − 10 + 6.1 Step 4: 3.9 + 6.1 − 10 (identity property) Step 5: 10 − 10 = 0 He wrote identity instead of commutative in Step 4. He wrote associative instead of commutative in Step 2. He wrote identity instead of distributive in Step 4. He wrote associative instead of distributive in Step 2.

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  1. anonymous
    • one year ago
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    @Vocaloid please help

  2. Vocaloid
    • one year ago
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    hint: look at step 4 and tell me which property is being used

  3. anonymous
    • one year ago
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    the distributive property? @Vocaloid

  4. Vocaloid
    • one year ago
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    nope look at step 3 and step 4 and tell me what changed between the two steps

  5. anonymous
    • one year ago
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    commutative property

  6. anonymous
    • one year ago
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    ?? @Vocaloid

  7. Vocaloid
    • one year ago
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    right, so our answer is...?

  8. anonymous
    • one year ago
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    A?

  9. anonymous
    • one year ago
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    ?? @Vocaloid

  10. anonymous
    • one year ago
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    yea its A i got it right :) thanks ! i have some more questions :)

  11. anonymous
    • one year ago
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  12. Vocaloid
    • one year ago
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    use B - A, then calculate the distance

  13. Vocaloid
    • one year ago
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    g2g

  14. anonymous
    • one year ago
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    wait but thats the answer?

  15. anonymous
    • one year ago
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    can we finish this problem please and then you can go ? :)

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spraguer (Moderator)
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