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Last updated at June 22, 2018 by Teachoo
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Ex 1.1, 9 Is 0.3 the multiplicative inverse of 31/3? Why or why not ? 0.3 = 3/10 3 1/3 = (3 × 3 + 1)/3 = 10/3 We know that, Number × Multiplicative inverse of Number = 1 We need to check if 31/3 × 0.3 = 1 Taking L.H.S 3 1/3 × 0.3 = 10/3 × 3/10 = 1 = R.H.S Hence, 0.3 is the multiplicative inverse of 3 1/3 as product is 1.
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