Name the property under multiplication used in each of the following-i -4-5- 1-1 -4-5-4-5ii -13-17-2-7-2-7-13-17iii -19-29-29-19-1

(i) 1 is the multiplicative identity. (ii) Commutativity (iii) Multiplicative inverse ...

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Name the property under multiplication used in each of the following:
(i) $\frac{- 4}{5} \times 1 = 1 \times \frac{- 4}{5} = \frac{- 4}{5}$
(ii) $\frac{- 13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{7}$
(iii) $\frac{- 19}{29} \times \frac{29}{- 19} = 1$

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\frac{- 4}{5} \times 1 = 1 \times \frac{- 4}{5} = - \frac{4}{5}

- \frac{13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{17}

\frac{- 19}{29} \times \frac{29}{- 19} = 1

\frac{- 19}{29} \times \frac{29}{- 19} = 1

\frac{2}{3} \times \frac{4}{5} = \frac{4}{5} \times \frac{2}{3}

(\frac{- 3}{4}) \times 1 = \frac{- 3}{4} = 1 \times (\frac{- 3}{4})

(\frac{- 17}{28}) \times (\frac{- 28}{17}) = 1

\frac{1}{5} \times (\frac{7}{8} \times \frac{4}{3}) = (\frac{1}{5} \times \frac{7}{8}) \times \frac{4}{3}

\frac{2}{7} \times (\frac{9}{10} + \frac{2}{5}) = \frac{2}{7} \times \frac{9}{10} + \frac{2}{7} \times \frac{2}{5}

\frac{- 19}{29} \times \frac{29}{- 19} = 1

- \frac{13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{17}

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