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
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He wrote distributive instead of associative :)
So step 2 is wrong
Oh ok thanks
The Distributive Property is an algebra property which is used to multiply a single term and two or more terms inside a set of parentheses. Take a look at the problem below.
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Keep going :)
The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis. Add some parenthesis any where you like!.
Thank you i would give u two medals if i could