SOLUTION: 3) Evaluate. 81 ÷ 9 – 16 ÷ 8 i thought was 8 but i was wrong.
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Algebra: Evaluation of expressions, parentheses
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Question 40042
:
3) Evaluate. 81 ÷ 9 – 16 ÷ 8
i thought was 8 but i was wrong.
Answer by
fractalier(2101)
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Order of operations tells us that division is done before subtraction no matter how they are listed in the problem, so we have
81 ÷ 9 – 16 ÷ 8 =
9 - 2 =
7