Which is an equivalent expression for three sevenths squared times two thirds raised to the power of negative three all raised to the power of negative one?

seven thirds squared times two thirds cubed seven thirds to the power of negative two times two thirds to the power of negative three three sevenths squared times two thirds raised to the power of negative three three sevenths times two thirds raised to the power of negative four

is it 1.61316872

the expression in the question is it 1.61316872

bro help

nvm man i can't do this anymore

\[\left[ \left( \frac{ 3 }{ 7 } \right)^2*\left( \frac{ 2 }{ 3 } \right) ^{-3}\right]^{-1}\] \[=\left[ \left( \frac{ 3 }{ 7 } \right) ^2*\left( \frac{ 3 }{ 2 } \right)^3\right]^{-1}\] \[=\left[ \frac{ 9 }{ 49 } *\frac{ 27 }{ 8 }\right]^{-1}\] \[=\left[ \frac{ 243 }{ 392 } \right]^{-1}\] \[=\frac{ 392 }{ 243 }\]

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