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Which expression is NOT equivalent to 12⋅−3 2/3?

Drag this expression to the box.

Which expression is NOT equivalent to 12⋅−3 2/3? Drag this expression to the box.-example-1
User Tri Hoang
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2 Answers

3 votes
The third option would be the incorrect one
User Andy Ibanez
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3 votes

All of the expressions except
$12 \cdot\left(-3-(3)/(3)\right)=-48$ is NOT equivalent.

We can simplify the expressions by combining the numerical terms, multiplying the numbers, and simplifying the fractions. Here's how we do it:

1. Combine the numerical terms in the first expression:
12 \cdot-3 (2)/(3)=12 \cdot-(11)/(3)

2. Multiply the numbers in the first expression:
$12 \cdot (11)/(3)=44$

3. Simplify the fractions in the remaining expressions:


\begin{aligned}& 12 \cdot\left(-3-(2)/(3)\right)=12 \cdot-(11)/(3)=-44 \\& 12 \cdot\left(-4+(1)/(3)\right)=12 \cdot-(11)/(3)=-44 \\& 12 \cdot-4+12 \cdot (1)/(3)=12 \cdot-(11)/(3)=-44 \\& 12 \cdot-3+12 \cdot (2)/(3)=12 \cdot-(11)/(3)=-44 \\& 12 \cdot\left(-3-(3)/(3)\right)=12 \cdot-(12)/(3)=-48\end{aligned}

Therefore, all of the expressions except
$12 \cdot\left(-3-(3)/(3)\right)=-48$ are equivalent to 44 .

So the answer is
12 \cdot\left(-3-(3)/(3)\right).

User Artur Owczarek
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