1) We move to the left in the number line when we__________ or __________. a) negative integer or subtract a positive integer. b) positive integer and add negative c) both are correct d) nethier b or a 2) Additive inverse of -20 a) 20 b) 56 c) -20 d) none of these e) all of these 3) 0 is a a) both positive and negative b) only positive c) only negative d) neither positive or negative e) nothing 4) -451+197+76= a) -178 b) 456 c) -9765 d) -75 e) 56767 f) 178 5) -987 - 97+9 ×  3 a) 123 b) 765 c) -554 d) 678 e) -1057 f) 976 6)  0×-68×7 a) 0 b) 78 c) 7 d) -68 e) -6807 7) -68÷2÷2 a) -136 b) -68 c) -78 d) -90 8) 76765 - (-887) a) 3565 b) -765566 c) 457- d) 68676 e) 77652 9) when we add two positive numbers result is a) positive b) negative c) both d) none of these e) whole numbers f) prime numbers 10) 23 × 2 ÷ 2 × 6(5 - 6 ÷ -1)= a) -1518 b) 1518 c) -978 d) 794 e) 978 f) -794

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