Unit 3 Review (Lessons 11-14)

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What is the result of the expression 4 + 9 + 8 ÷ 4?

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15

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What is the result of the expression 2 + (9^2 - 4)?

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79

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What is the definition of a fraction?

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What is the rule for multiplying two negative numbers?

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The product of two negative numbers is positive.

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What is the order of operations in mathematics?

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The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

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What is the definition of a mixed number?

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