4. Name the property used :
(i) 2/5×(-1/2)= -1/5, which is a rational number
(ii) 7×1/7 =1/7 ×7=1
(iii) [4/5 × (-3/5)] × 1/2 = 4/5 × [(-3/5) × 1/2]
(iv) 1/2 × [1/5 + (-1/7)] = 1/2 × 1/5 + 1/2 × (-1/7)
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I don't know...........
mahaksrivastava8430:
oh just shut up
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dear mate yashagrawal if you don't know so don't give answer .....
sorry ......
it is against the rule of brainly
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