Question

6) Escreva na forma decimal?
a) 51%
b)7,2%
c)165%
d/)16,28%

7) Calcule as expressões:

a) (-15+4)+ [-18+(-3-7+5)]

b)-1(-2+5)+[4-(-6+5-8)]

c)-4+5-5 +4-3+9+3

Answer 1

Resposta:

6.a.0,51

b. 0,072

C.1, 65

D.0,1628

7.a. - 34

b. 10

c. 9

Answer 2

6-

a) 0,51
b) 0,072
c) 1,65
d) 0,1628

7-

a) -34
b) 10
c) 9