Question

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Answer 1

Answer:

16. 1

1 is the multiplicative Identity element of all Rational numbers

17. 0.1728

Answer 2

Question:-

The muticative Identity of:-

$4 - ( \frac{1}{2} + \frac{1}{3} + \frac{1}{4} )$

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Solution:-

$4 - ( \frac{1}{2} + \frac{1}{3} + \frac{1}{4} )$

$4 - ( \frac{6 + 4 + 3}{12} )$

$4 - \frac{13}{12}$

$\frac{48 - 13}{12}$

$\frac{35}{12}$

Muticative Identity:-

$\frac{35}{12} \times 1$

$\frac{35}{12}$

_________________________

Answer:-

$\frac{35}{12}$