Exemplar exercise problems XXXIX — task. Mathematics CBSE, Class 8.

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Name the property used in each of the following.

(i)

- \frac{7}{11} \times \frac{- 3}{5} = \frac{- 3}{5} \times \frac{- 7}{11}

(ii)

- \frac{2}{3} \times [\frac{3}{4} + \frac{- 1}{2}] = [\frac{- 2}{3} \times \frac{3}{4}] + [\frac{- 2}{3} \times \frac{- 1}{2}]

(iii)

\frac{1}{3} \times [\frac{4}{9} + (\frac{- 4}{3})] = [\frac{1}{3} + \frac{4}{9}] + [\frac{- 4}{3}]

(iv)

\frac{- 2}{7} + 0 = 0 + \frac{- 2}{7} = \frac{- 2}{7}

(v)

\frac{3}{8} \times 1 = 1 \times \frac{3}{8} = \frac{3}{8}

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