Question

by what number should 5/7 raise to the power -5 be multipled so that the product is 1

Answer 1

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Answer 2

The answer is given below :

Let, the number be x.

Then,

${ (\frac{5}{7}) }^{ - 5} \times x = 1 \\ \\ or \: \: x = \frac{1}{ ( { \frac{5}{7}) }^{ - 5} } \\ \\ so \: \: x= { (\frac{5}{7}) }^{5}$

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