Resposta :
A) a5. (b²)³ = a^5 . b^6 = a^4 . b^2
a.b4 a . b^4
B: (a²)5. (b³)³ = a^10 . b^9 = a^(10+4) . b^(9+3) = a^14 . b^12
a-4. b-³ a-4. b-³
C: (a/b)8. b10 = a^8 .b^-8 . b^10 = a^8 . b^2 = a^(8-2) . b^10 = a^6 . b^10
a.a².a³ a.a².a³ a^6
D: (a-³)³. (b5)-² = a^(-9-1) . b^(-10-1) = a^-10 . b^-11
a.b
a.b4 a . b^4
B: (a²)5. (b³)³ = a^10 . b^9 = a^(10+4) . b^(9+3) = a^14 . b^12
a-4. b-³ a-4. b-³
C: (a/b)8. b10 = a^8 .b^-8 . b^10 = a^8 . b^2 = a^(8-2) . b^10 = a^6 . b^10
a.a².a³ a.a².a³ a^6
D: (a-³)³. (b5)-² = a^(-9-1) . b^(-10-1) = a^-10 . b^-11
a.b