Two students determined the value of this expression.
-2.5(1.4+3.1) + 6.9(-4.3)
These are th...
Mathematics, 10.05.2021 19:10, SmartKitty
Two students determined the value of this expression.
-2.5(1.4+3.1) + 6.9(-4.3)
These are the steps each student used.
Student Q
Step 1:-3.5 - 7.75 +6.9(-4.3)
Student P
Step 1: -3.5+ 7.75 +6.9(-4.3)
Step 2: -3.5 - 7.75 - 29.67
Step 2.-3.5+ 7.75 - 29.67
Step 3:-(3.5 - 7.75 - 29.67)
Step 3: 7.75 -3.5 - 29.67
Step 4: -(-33.92)
Step 4: -25.42
Step 5: 33.92
Answers: 3
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