Question

Elach question carry
Write the multiplicativce in kerse
of
- 7 /10​

Answer 1

Answer:

-10/7 is the correct answer

Step-by-step explanation:

-7/10×-10/7 =1

hence proofed

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Answer 2

SOLUTION

TO DETERMINE

$\displaystyle \sf{The \: multiplicative \: inverse \: of \: \bigg(- \: \frac{7}{10} \bigg)}$

CONCEPT TO BE IMPLEMENTED

We know that 1 is the Multiplicative identity

$\sf{If \: \: a \ne \: 0}$

b is said to be the Multiplicative inverse of a if

$\sf{a \times b = 1}$

$\displaystyle \sf{b = \frac{1}{a} }$

$\displaystyle \sf{ \therefore \: The \: multiplicative \: inverse \: of \: \: a \: is\: \: \frac{1}{a} }$

EVALUATION

Here the given number is

$\displaystyle \sf{ - \: \frac{7}{10} }$

$\displaystyle \sf{Hence \: the \: Multiplicative \: inverse \: of \: \bigg( - \frac{7}{10} \bigg) \: is \: }$

$\displaystyle \sf{ = \frac{1}{ - \: \frac{7}{10}} }$

$\displaystyle \sf{ = - \frac{10}{7} }$

FINAL ANSWER

$\displaystyle \sf{Hence \: the \: Multiplicative \: inverse \: of \: \bigg( - \frac{7}{10} \bigg) \: is \: - \frac{10}{7} }$

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