1) (-17) x 5+(-17) x10 a) 255 b) -255 c) -100 d) 50 2) (-1002) x 2 a) 2004 b) 2000 c) -2004 d) 1500 3) (-13) + 8 a) |-5| b) -5 c) 5 d) 6 4) 117 + (-13) +5 x 117 - (-5) a) 999 b) -678 c) 694 d) -694 5) (-10+5) +3= -10 +(5+3) (what is the property?) a) distributive b) associative c) additive inverse d) additive identity 6) (-0.5) x 4+ (-3) x(-0.5) a) 0.5 b) 1.5 c) -0.5 d) -2 7) which of the following sums has a positive sign? a) 19+ (-26) b) -35 +17 c) -25 + (-12) d) 40 + (-18) 8) 12 x (-7) x 10 x (-12) a) -100080 b) 10080 c) 20000 d) -7000 9) what is the additive identity in z? a) 0 b) 1 c) 2 d) 5 10) -7- (-8)= a) 1 b) -1 c) -15 d) 15

Math project prep 1

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