Two students determined the value of this expression.
-2.5(1.4 + 3.1) + 6.9(-4.3)
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Mathematics, 25.11.2019 01:31 chaanah
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 p
step 1: -3.5 + 7.75 + 6.9(-4.3)
step 2: -3.5 + 7.75 - 29.67
step 3: 7.75 - 3.5 - 29.67
step 4: -25.42
student q
step 1: -3.5 - 7.75 + 6.9(-4.3)
step 2: -3.5 - 7.75 - 29.67
step 3: - (3.5 -7.75 - 29.67)
step 4: .92)
step 5: 33.92
describe any errors made by student p.
describe any errors made by student q.
show a complete set of correct steps to determine the value of the expression.
enter your answers and your work in the space provided.
Answers: 1
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