3•2•7=42•2=84
12•10•7=840
84+840=924in^3
Answer:

Step-by-step explanation:
Given the following question:

To estimate by the nearest thousand, we have to look at the thousand's place value and then look at the number next to it, to see if it's greater than five.









Hope this helps.
I assume what you mean by this question is an equation like this:
1 + 2 x 3 + 4
Or,
3 x 4 + 6 /div 5
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What you'd do:
1+2 x 3+4 First, add either 1+2 or 3+4 which is 3 & 7. then, youd multiply your answers as, 3 x 7 which is, 21.
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Please ask if you have any questions
2.33 (repeating) or 2 1/3