Question

simplify [{(5/7)^2}^-1]^-3

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Answer 1

Answer:

$\frac{5}{7} ^{6}$

Step-by-step explanation:

$[(\frac{5}{7}) ^{2} ] ^{-1} ] ^{-3}$

$[( \frac{5}{7} )^{2}]^{3}$

$\frac{5}{7} ^{6}$

Answer 2

Answer:

[{(5/7)^2}^-1]^-3

=[{25/49}^-1]^-3

=[49/25]^-3

=(25)^3/(49)^3

=15625/117649

=0.132

Step-by-step explanation:

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