Question

The number by which (-4)^-1 should be multiplied so that the product may be equal to (5)^-1 is​

Answer 1

Step-by-step explanation:

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$let \: the \: number = x \\ x \times ( { - 4)}^{ - 1} = ( {5)}^{ - 1} \\ x \times \frac{1}{ - 4} = \frac{1}{5} \\ x = \frac{ - 4}{5}$

Answer 2

Step-by-step explanation:

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