Question

por favor ayuuudaaameee ​

Answer 1

°• resolucion:

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$a. {21}^{2} \div {3}^{2}$

$\frac{441}{ {3}^{2} }$

rspta: 39

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$b.64\times 8=512$

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$c. {63}^{3} \div {16}^{3}$

$\frac{250047}{ 4096 }$

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d. 16 . 4

rspta: 64