1.2 Homework Problems: Order of Operations and Properties of Numbers

1. Simplify the following expressions using Order of Operations

a. 15 ÷ (-3) × 3 – 10

b. -10 + 15 ÷ (-5) × 32 – 102

c. 2 – 5[ (-20) ÷ (-4) × 2 – 40]

2. Identify the Property

a. 5 + (-5) = 0 _____________________________

b. 8 (a + 3) = 8⋅a + 8⋅3 _____________________________

c. (4 + m) + 2 = 4 + (2 + m) _____________________________

d. [latex]\mathrm{9\ \times}\frac{\mathrm{1}}{\mathrm{9}}\mathrm{=\ 0}[/latex] _______________________________

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