Pre-Algebra Lesson 4-2

Pre-Algebra Lesson 4-2 - 4-2 Powers and ExponentsObjective:...

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Unformatted text preview: 4-2 Powers and ExponentsObjective: Use powers and exponents in expressions and equations.5-Minute QuizUsing the divisibility rules, state whether each number is divisible by 2, 3, 5, 6, or 10.1.482.1553.5434.12305.345,6785-Minute QuizUsing the divisibility rules, state whether each number is divisible by 2, 3, 5, 6, or 10.1.482, 3, 62.15553.54334.12302, 3, 5, 6, 105.345,6782, 3, 64-2 Powers and ExponentsOrder of Operations1.Do all operations within grouping symbols; start with the innermost grouping symbols.2.Evaluate all powers from left to right.3.Do all multiplication and division from left to right.4.Do all addition and subtraction from left to right.4-2 Powers and ExponentsExampleEvaluate each expression if x = 3, y = 2, and z = -2.a.4x + z44-2 Powers and ExponentsExampleEvaluate each expression if x = 3, y = 2, and z = -2.a.4x + z44x + z4 = -4(3) + (-2) 4Replace x with 3 and z with 2.4-2 Powers and ExponentsExampleEvaluate each expression if x = 3, y = 2, and z = -2....
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Pre-Algebra Lesson 4-2 - 4-2 Powers and ExponentsObjective:...

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