Question

de o valor numérico dos monômios a seguir
me ajudem por favor ​

Answer 1

a) - 9x² y³ =

- 9 . (-2)² . (-1)³=

- 9 . (+4) .(-1)=

+ 36

b) 5x³y⁵=

5 .(-2)³.(-1)⁵=

5.(-8) .(-1)=

+ 40

c) -2/5x²y³=

- 2/5.(-2)² .(-1)³=

- 2/5 . (+4) . (-1)=

+ 8/5

d) 4xy⁴=

4.(-2).(-1)⁴=

4.(-2) . (+1)=

- 8

e) -9x⁴y⁷=

- 9.(-2)⁴ . (-1)⁷=

-9 . (+16) .(-1)=

+144

d) - 5/2x³y¹⁰=

- 5/2.(-2)³.(-1)¹⁰=

-5/2 .( -8) .(+1)=

+40/2=

+20