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9. Is 0.3 the multiplicative inverse of \(3\frac { 1 }{ 3 }\)? Why or why not?
Answer :

Yes, 0.3 is multiplicative inverse of \(3\frac { 1 }{ 3 } \).
Because \(0.3\times 3\frac { 1 }{ 3 } =\frac { 3 }{ 10 } \times \frac { 10 }{ 3 } =1\).