Resposta :
[tex]\Large \text {$ \sf 9^{4} = 9.9.9.9 = 6.561 \dfrac {} {}$}[/tex]
[tex]\Large \text {$ \sf Resposta: \dfrac {} {}$}\\\Large \text {$ \sf d)6.561 \dfrac {} {}$}[/tex]
[tex]\Large \text {$ \sf 9^{4} = 9.9.9.9 = 6.561 \dfrac {} {}$}[/tex]
[tex]\Large \text {$ \sf Resposta: \dfrac {} {}$}\\\Large \text {$ \sf d)6.561 \dfrac {} {}$}[/tex]