OpenStudy (nuccioreggie):

Tom is showing his work in simplifying (5.2 – 8.5) – 0.5 + 6.8. In which step did Tom make an error? Step 1:: (5.2 – 8.5) – 0.5 + 6.8 Step 2: 5.2 + (–8.5 – 0.5) + 6.8 (distributive property) Step 3: 5.2 – 9 + 6.8 Step 4: 5.2 + 6.8 – 9 (commutative property) Step 5: 12 – 9 = 3 Step 2; he wrote distributive instead of commutative Step 2; he wrote distributive instead of associative Step 4; he wrote commutative instead of associative Step 4; he wrote commutative instead of distributive

3 years ago
OpenStudy (nuccioreggie):

@radar

3 years ago
OpenStudy (nuccioreggie):

@triciaal

3 years ago
OpenStudy (nuccioreggie):

@welshfella

3 years ago
OpenStudy (nuccioreggie):

I think its B

3 years ago
OpenStudy (tkhunny):

Didn't do anything in Step #1 except copy the problem. That looks good. Nothing "Distributive" about Step #2.

3 years ago
OpenStudy (nuccioreggie):

So that mean its B right

3 years ago
OpenStudy (nuccioreggie):

@tkhunny. So its b right

3 years ago
OpenStudy (nuccioreggie):

@Michele_Laino

3 years ago
OpenStudy (michele_laino):

step #2 is the associative property

3 years ago
OpenStudy (tkhunny):

You're supposed to tell me - with confidence!

3 years ago
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