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simplify the following expressions and exppress it in its positive integer exponent!!
a. ( \frac{7 x^{-2} }{y.x} )^{-1} x ( \frac{7x ^{-1} }{y} ) ^{-3}
b. (5a^{2} b^{-3} ) ^{-3} . 3(a ^{- 2} b^{3} ) ^{2}
c. (\frac{ 3p^{2} q^{2} }{r^{4} } ) ^{-1} : \frac{ r^{-2} }{ p^{6} }
simplify the following expressions and exppress it in its positive integer exponent!!
a. ( \frac{7 x^{-2} }{y.x} )^{-1} x ( \frac{7x ^{-1} }{y} ) ^{-3}
b. (5a^{2} b^{-3} ) ^{-3} . 3(a ^{- 2} b^{3} ) ^{2}
c. (\frac{ 3p^{2} q^{2} }{r^{4} } ) ^{-1} : \frac{ r^{-2} }{ p^{6} }
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Bagian B
Bagian C