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in Negative Numbers and Integers by (48.6k points)
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Without using the number line find the sum of the following. 

(i) 11 + (- 2) 

(ii) (- 4) + (- 6) 

(iii) (- 250) + 150 

(iv) (- 380) + (- 270) 

(v) (- 14) + 4 (vi) (- 180) + (- 80)

1 Answer

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Best answer

(i) 11 + (- 2) = 11 – 2 = 9 

(ii) (- 4) + (- 6) = – 4 – 6 = – 10 

(iii) (- 250) + 150 = – 250 + 150 = – 100 

(iv) (- 380) + (- 270) = – 380 – 270 = – 650 

(v) (- 14) + 4 = – 14 + 4 = – 10 (vi) (- 180) + (- 80) = – 180 – 80 = – 260

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