Penjelasan dengan langkah-langkah:
a.
[tex]\frac{1}{625} = \frac{1}{5 {}^{4} } = {5}^{ - 4} [/tex]
b.
[tex] \frac{2 {}^{5} }{ {8}^{4} } = \frac{2 {}^{5} }{ {2}^{3 \times 4} } = \frac{2 {}^{5} }{ {2}^{12} } = {2}^{5 - 12} = {2}^{ - 7} [/tex]
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Penjelasan dengan langkah-langkah:
a.
[tex]\frac{1}{625} = \frac{1}{5 {}^{4} } = {5}^{ - 4} [/tex]
b.
[tex] \frac{2 {}^{5} }{ {8}^{4} } = \frac{2 {}^{5} }{ {2}^{3 \times 4} } = \frac{2 {}^{5} }{ {2}^{12} } = {2}^{5 - 12} = {2}^{ - 7} [/tex]