Catron evaluates the expression (negative 9) (2 and two-fifths) using the steps below.
s...
Mathematics, 18.01.2020 01:31 kkelley3141
Catron evaluates the expression (negative 9) (2 and two-fifths) using the steps below.
step 1: (negative 9) (2 + two-fifths)
step 2: (negative 9) (negative 2) + (negative 9) (two-fifths)
step 3: negative 18 + (negative 9) (two-fifths)
step 4: (negative 27) (two-fifths)
solution: negative startfraction 54 over 5 endfraction = negative 10 and four-fifths
which describes catron’s error?
she incorrectly broke up 2 and two-fifths.
she incorrectly distributed the –9; she should have distributed 2.
she did not follow order of operations.
she incorrectly converted from an improper fraction to a mixed number.
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