 # Objective - To simplify expressions using the order of operations. Simplify each expression below. 1) 6 + 5(8 - 2) 2) 3) 4)

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Objective - To simplify expressions using the order of operations. Simplify each expression below. 1) 6 + 5(8 - 2) 2) 3) 4)

Order of Operations Parenthesis Exponents 6 + 5(6) 6 + 30 = 36 2 + 3 25 2 + 75 = 77 Multiply / Divide 8 4 = 32 Add / Subtract 10 - 3 + 8 7 + 8 = 15 1) 6 + 5(8 - 2) 2) 3) 4)

Simplify the following. 1) 2) 3) 4) (4 + 18)2 - 10 (22)2 - 10 44 - 10 = 34 24 - 2[18 6] 24 - 2 24 - 6 = 18 8 - 9 + 5 -1 + 5 4 8 + 20 4 28 4 =7

24 2 2(4 + 8) Evaluate the expression if a = 2, b = 4, and c = 8 1) ab - c 2) 3a(c - b) 3) 4) (2)(4) - 8 8 - 8 0 3(2)(8 - 4) 3(2)(4) 24 4 + 3(2) 2 2 4 + 3(4) 2 4 + 6 = 10 2 2(12) 2 == 12 4 + 12 2

3 + 4 2 = Fact: Scientific calculators and computers follow the order of operations. Four function calculators do not. 4 - Function Calculator Scientific Calculator Computer 3 + 4 x 2 = * 7 x 2 = 143 + 8 = 11

Symbolic Differences in Calculators and Computers Expression Scientific Calculator Computer + - x 4 2 ++ - - * x / 4 x 2 y 4 ^ 2

Key Sequences and Computer Input Expression Calculator Key Sequence Computer 3(8 - 2) 4 3 6 - 2 6 + 8 3 - 1 2

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