Question

Perguntas: a) (4a)(-3a)= b) (2x)(7x)= C) d )0,25a²b³)(10a³b¬)= e) (4x£ )(9x¹º)= f) (2y³)(-4ay)=

Answer 1

 

 

a) (4a)(-3a)= - 12 a^2

 

b) (2x)(7x)= 14x^2

 

C) d )0,25a²b³)(10a³b¬)= 2,5a^5b^4

 

e) (4x£ )(9x¹º)= 36x^11

 

f) (2y³)(-4ay)= - 8 ay^4