Question

qual a fracao geratriz de
a)0,77777...
b)0,04777...

Answer 1

a) x = 0,777...

10x = 7,777...

10x = 7 + 7/9

10x = 70/9

90x = 70

x = 70/90

x = 7/9

b) x = 0,04777...

100x = 4,777...

100x = 4 + 7/9

100x = 43/9

900x = 43

x = 43/900