(3) Aplicando propriedade de divisão de potências de mesma base , reduza a uma só potencra. a) ((-10)^6)/((-10)^4)=underline ( ) b) ((+8)^10)/((+8)^3)=underline ( ) c) a^32:a^28=underline ( ) d) ((1,3)^4)/((1,3)^6)=underline ( ) e) ((-3)^4)/((-3))=underline ( ) f) x^8:x=underline ( )

a) $\frac {(-10)^{6}}{(-10)^{4}}=(-10)^{6-4}=(-10)^{2}=100$<br />b) $\frac {(+8)^{10}}{(+8)^{3}}=(+8)^{10-3}=(+8)^{7}=2097152$<br />c) $a^{32}:a^{28}=a^{32-28}=a^{4}$<br />d) $\frac {(1,3)^{4}}{(1,3)^{6}}=(1,3)^{4-6}=(1,3)^{-2}=\frac{1}{(1,3)^{2}}=\frac{1}{1,69}$<br />e) $\frac {(-3)^{4}}{(-3)}=(-3)^{4-1}=(-3)^{3}=-27$<br />f) $x^{8}:x=x^{8-1}=x^{7}$