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Mathematics 10 Online
OpenStudy (danieldjpon3):

HELP!!!! Will Medal!!!

OpenStudy (danieldjpon3):

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

OpenStudy (danieldjpon3):

A. He wrote identity instead of commutative in Step 4. B.He wrote associative instead of commutative in Step 2. C. He wrote identity instead of distributive in Step 4. D. He wrote associative instead of distributive in Step 2.

OpenStudy (danieldjpon3):

@Will.H

OpenStudy (danieldjpon3):

@AloneS

OpenStudy (danieldjpon3):

I think it's C

OpenStudy (will.h):

No there is no Distrubtive property it is either A or B

OpenStudy (danieldjpon3):

Oh ok

OpenStudy (danieldjpon3):

let me see

OpenStudy (danieldjpon3):

A

OpenStudy (danieldjpon3):

It's prob B

OpenStudy (will.h):

commutative property is like a+b = b+a just changing places so the mistake is in step 2 should be commutative

OpenStudy (danieldjpon3):

ye

OpenStudy (danieldjpon3):

ok so B it is right?

OpenStudy (will.h):

yes

OpenStudy (danieldjpon3):

kk ty

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