Question

$\frac{2}{5} {}^{5} \times \frac{2}{5 } \div \frac{2}{5} ^{6 \: } \: alguem \: me \: ajudar$
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Answer 1

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$\boxed{\begin{array}{l}\sf\bigg(\dfrac{2}{5}\bigg)^5\times\dfrac{2}{5}\div\bigg(\dfrac{2}{5}\bigg)^6\\\sf=\bigg(\dfrac{2}{5}\bigg)^{5+1}\div\bigg(\dfrac{2}{5}\bigg)^6\\\sf=\bigg(\dfrac{2}{5}\bigg)^6\div\bigg(\dfrac{2}{5}\bigg)^6\\\sf=\bigg(\dfrac{2}{5}\bigg)^{6-6}=\bigg(\dfrac{2}{5}\bigg)^0=1\end{array}}\blue{\checkmark}$