[tex]37.\ a=27=3^3, b=32=2^5\\\\3(a^{-\frac{1}{3} })\ x\ 4(b)^{\frac{2}{5} }\\\\=3((3^3)^{-\frac{1}{3} })\ x\ 4(2^5)^{\frac{2}{5} }\\\\=3(3^{3\ x\ (-\frac{1}{3}) })\ x\ 4(2)^{(5\ x\ \frac{2}{5}) }\\\\=3(3^{-1})\ x\ 4(2)^{2}\\\\=3(\frac{1}{3} )\ x\ 4(4)\\\\=1\ x\ 16\\\\=16\\\\Jawaban:C[/tex]
[tex]38.\ Volume\ Kubus\ = sisi\ x\ sisi\ x\ sisi\\\\2.744=sisi^3\\\\sisi = \sqrt[3]{2.744} \\\\sisi = 14\\\\Jawaban : B[/tex]
[tex]39.\ Luas\ Persegi\ Panjang\ = panjang\ x\ lebar\\\\\sqrt[6]{a^5} =\sqrt[3]{a^2}\ x\ lebar\\\\a^{\frac{5}{6} }=a^{\frac{2}{3} }\ x\ lebar\\\\\frac{a^{\frac{5}{6} }}{a^{\frac{2}{3} }} =\ lebar\\\\lebar=a^{\frac{5}{6} -\frac{2}{3} }\\\\lebar=a^{\frac{5}{6} -\frac{2x2}{3x2} }\\\\lebar=a^{\frac{5}{6} -\frac{4}{6} }\\\\lebar=a^{\frac{1}{6} }\\\\lebar=\sqrt[6]{a} \\\\Jawaban : C[/tex]
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