Question

2) Transforme numa só potência.
a)9 6. 9 3=

b) (20 2)3=

c) 107:10-3=

d) (1/2)5. (1/2)13=

e) [ (2/11)5]4=

Answer 1

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Answer 2

Resposta:

Explicação passo a passo:

$a^{m}.\:a^{n} =a^{m+n}$

$a^{m}:\:a^{n} =a^{m-n}$

$(a^{m} ) ^{n} =a^{m.n}$

$a)$

$9^{6}\:.\:9^{3} =9^{9}$

$b)$

$(20^{2}) ^{3} =20^{6}$

$c)$

$10^{7} :10^{-3} =10^{7-(-3)} =10^{7+3} =10^{10}$

$d)$

$(\frac{1}{2} )^{5}\:.\:(\frac{1}{2}) ^{13} =(\frac{1}{2}) ^{18}$

$e)$

$[(\frac{2}{11}) ^{5}] ^{4} =(\frac{2}{11}) ^{20}$