Question

VALENDO 50 PONTOOOOOOOSSSS!!!!!!!!!!!!!!!!



efetue as mulpiplicações

a) (+2/9.³).(-4/7)=

b) 15a . 2a=

c) (-1,2ab²).(=6b)=

d) 10x² y.4y²x³=

e) ab.(4a+20b=

f) zx².(y+7xy-0,5 xyz)=

Answer 1

a) (+2/9.³).(-4/7)= -8/5103

b) 15a . 2a= 30a²

c) (-1,2ab²).(6b)=-7,2ab³

d) 10x² y.4y²x³= 40x⁵y³

e) ab.(4a+20b) =4a²b+20ab²

f) zx².(y+7xy-0,5 xyz)

= zx²y+7x³zy-0,5x³yz²