+0  
 
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362
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avatar+62 

What is the value of the expression?

3 · [(30−8)÷2+2]

 Aug 15, 2017
 #1
avatar+2 
0

the answer to the question is 13 

 Aug 15, 2017
 #2
avatar+2339 
0

No, the expression evaluates to 39:

 

\(3\left[\frac{30-8}{2}+2\right]\) Do 30-8 first.
\(3\left[\frac{22}{2}+2\right]\) Do 22/2 next. Luckily, 2 divides into 22 evenly.
\(3\left[11+2\right]\) Do 11+2 after that.
\(3[13]=3*13=39\)  
   
 Aug 15, 2017

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