Bantu jawab dong kak
Penjelasan dengan langkah-langkah:
[tex] {125}^{ - 2} . {625}^{2} = {5}^{3.( - 2)} . {5}^{4.2} = {5}^{ - 6} . {5}^{8} = {5}^{2} = 25[/tex]
[tex] \frac{ {3}^{ - 2} . {27}^{2} }{81} = \frac{ {3}^{ - 2} .{3}^{3.2} }{ {3}^{4} } = \frac{ {3}^{ 6} }{ {3}^{4} . {3}^{2} } = \frac{ {3}^{6} }{ {3}^{6} } = 1[/tex]
[tex] \frac{ {4}^{3} . {9}^{ - 2} }{ {3}^{ - 4} . {2}^{ - 5} } = \frac{ {2}^{2.3} . {3}^{2. - 2} }{ {3}^{ - 4} . {2}^{ - 5} } = \frac{ {2}^{6} . {3}^{ - 4} }{ {3}^{ - 4} . {2}^{ - 5} } = \frac{ {2}^{6} . {2}^{5} }{ {3}^{ - 4} . {3}^{4} } = \frac{ {2}^{11} }{ {3}^{0} } = \frac{ {2}^{11} }{1} = {2}^{11} [/tex]
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