Question

Preciso da resposta da (2) e da (4) alguém me ajuda prfv????

Answer 1

Resposta:

2

a)0,8= 10/8

b)1,5= 15/10

c)23,34= 2334/100

d)0,002= 2/1000

4

a)0,41111...

10x=4,1111

9x=4

×= 4/9

b)8,1333...

10x=81,333

90x=732

x= 732/90

c)5,1777...

10x=51,777

9x=46

x= 46/9

d)2,31444...

100x= 231,444

99x=229

x= 239/99