Question

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Answer 1

Resposta:

${0.2}^{ - 4} \div {0.2}^{ - 5} = {0.2}^{ - 4 - ( - 5)} = {0.2}^{1}$

B)

$( { \frac{1}{3} })^{5} = \frac{ {1}^{5} }{ {3}^{5} } = \frac{1}{243}$

C)

$(\frac{5}{4} )^{3} = \frac{ {5}^{3} }{ {4}^{3} } = \frac{125}{64}$

D)

$(\sqrt[3]{5})^{ - 3} = \frac{1}{(\sqrt[3]{5})^{ 3}} = \frac{1}{ + - 5 }$

E)

$\frac{ {10}^{ - 2} \times {10}^{ - 3} }{ {10}^{ - 2} } = \frac{ {10}^{ - 5} }{ {10}^{ - 2} } = {10}^{ - 3}$