Question

2. Name the property in each of the following:
(i) (-3) + (-4) = -7 (integer)
(iii) 2 + [(-3) + 4) = [2 + (-3)] + 4
(v) 1 + (2 + 3) = (1 + 2) + 3
(vii) (-30) + 0 = (-30)
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Answer 1

(I) closer under addition for integer



(ii) associativity for integer
(iv)
(iii ) associativity for whole no.